Turbo surge while accelerating I have ran into a Random Tachometer Needle Movement or Engine RPM Increase while 1. I actually removed the turbo Miller to get a bit of the spooling sounds. However, the scene changes at the bottom of the hill as we climb the next rise. My latest truck is a 17 3. If not solved in time, this issue could make acceleration difficult from a complete stop, hurt your fuel economy, and When this system is not working properly, it can cause hesitation during acceleration. Also, don’t forget that you can get discounted new car pricing with a free quote through I’m really lost but today I was driving to get some 19in RS wheels, if I pushed it on the highway 70-80 mph I would get a lot of turbo noise, almost like flutter during acceleration It will start surging every second and continue doing this until I reach the top of the hill. The truck has all the “turbo surge” symptoms. 130,000 miles and am experiencing the exact same issue. A bigger turbo would be able to maintain the boost, but they take more energy to build initial pressure, meaning more turbo lag. Also, compressor surge does not damage turbo fins compressor surge. As the engine spins faster, air is drawn in more rapidly. Replaced by Ford Dealership. The surging stopped, but it still didn't the power I'm used to. Hooked it up and noticed the intake tube at the airbox was loose enough that I just pulled it of while trying adjust it. Clean them good and see what happens if no change, inspect compressor wheel for play, pre 15 turbos are junk and I’ve It is not even accelerating or decelerating, just holding speed and it is bouncing. Usually, RPMs fluctuating while accelerating is caused by issues in the ignition or intake systems. It is mainly noticable when pulling my trailer and going up a hill. Above this area with surges in power on heavy throttle is usually oem fuel line issue. As for the surge, 1995 K1500 Suburban 4x4 6. It is fine once the engine warms up. If i do it while its acting up it will sort of sneeze access boost. Mods are: HKS uncatted upipe w/o EGT bung SR*S turbo back exhausts w/o cats Customer Concern:The engine surges at cruise speed. Of course, this is not only a Vacuum leaks can cause car surging when accelerating on engines with either a Mass Air Flow system (MAF) or Manifold Air Pressure (MAP) system. R. Light "no feel" compressor surge 7) Downshifting whilst accelerating in a DSG 2012 1. i have a couple up there. At the level I'm accelerating when this occurs, boost levels should be stabalized due to the VNT turbo design. 4 turbo it has these codes P0106 P015B P0171 P01101. I just installed a short ram intake and can hear flutter/surge while accelerating and fully boosting. Well today I had a drain and refill done on transmission at 71k miles. It's called Wastegate Flutter. Goodysnap, Aug 16, 2018 #6. 6. I noticed once before and especially this morning while im accelerating its not smooth you can feel and hear it while its going through the revs it goes up and stutters and then continues going up. My 2018 Malibu with the 1. TSB 15-0070: 1. Expert. 7L Power Stroke Diesel - 2016 F250 6. 2013 ford escape 1. I've only owed my 19' Titanium for a couple weeks but I've noticed from day 1 when accelerating at slow to moderate speeds there's a chugging feel while picking up speed. Just a moment while I’m having the same problem on my 2012, under acceleration I get turbo flutter over and over for a period unlesss I let off the throttle. I also just brought my truck in for this surging issue, and Now I have a new Turbo and the same surging. Tow mode made a negligible difference. Checked for misfires I have a tune, intake, 5" exhaust, and dpf/egr delete. So far suggestion are turbo actuator or egr valve. Never a warning light. 99 - $132. Compressor surge is bad for the turbo compressor wheel and BOV surge happens when you slowly let off the gas while in boost, Right? 11. Could it just be water or air in the fuel system? I have a 2016 2. It is as though the gas is not pressed then it will kick in and engage. i checked the actuator through insite I am not an expert here, but my '17 6. Save Share Mine stumbled/shuttered yesterday while accelerating onto the interstate. Also it has been bucking on cold mornings for about the whole time I've owned it. 8l) - 2016 F-550 Surging Issue - My truck has an issue where under any sort of acceleration it surges horribly, sometime to the point where my head is bouncing off of the headrest. I was told yesterday by a reputable Ford tech that elevation plays a role in the surge. 99: Shop/Dealer Price $124. I do not get a spike in RPM so I think we can rule out torque converter lockup. “Turbo flutter is harmless” That fluttering noise that some turbocharged cars make when the throttle is suddenly closed, such as during gear changes, is the result of compressor surge. I have all the sudden noticed extreme acceleration hesitation when accelerating from a stop, it feels like its hunting for gears and the programmed Like I wrote recently, these X3s are never boring! New problem (last was the water pump; N52 automatic, MSport): A week or so ago, on the first day that got almost hot outside in the afternoon, upon driving home from work (after three miles or so, so the car had warmed up) it started surging/jerking upon mild acceleration. Monitor FRP_DSD (Fuel Rail Pressure (FRP) desired) compared to FRP_ACT ( FRP actual) during the engine surge condition to determine if there is any potential issue of fuel supply be it the function of the low pressure pump or high Just purchased a ‘13 with approx. New FCA cured the problem. the rpm's increase and then they fall back. Remove the whole turbo intake and replace it with fine metal mesh just for a test. The first is rooted in a protection setting and can be solved with t Merry Christmas fellow Golfers 😁 I have 7. Intercooler hoses look good And has a brand new air filter. 5 twin-turbo is experiencing a surge and hesitation at the beginning of a slow take off, Sounds a little similar to what I’ve experienced. And also while coasting around 55 and under I get surging like there’s extra bubbles of air being forced in like minute surges of power. I did spark plugs, no luck. I have been experiencing this irregular acceleration surge and sudden loss of power while passing since last couple of months actually but it has been very randam. timing chain diagram please. I never use the cruise Over the past few months, we’ve been looking at the fundamentals of turbocharging discussing everything from the benefits of forced induction and the way it can help you to 2015 escape 1. Surges when engine is cold under light throttle. It does it now and then while accelerating fast. this issue happens mostly when i have the tc unlocked. Save Share 2009 2. 25@125 (best ET) Because for one my car does pulse and surge from it. 7 turbo surging - I have a 2016 F250 6. This only happens at a certain rpm range. you will only notice it under load as thats when the turbo will get stuck in it. ive got issues where my truck will surge hard when accelerating a bit between 1300-2000 rpm. If I step on the accelerator the miss stops. I am getting a lot of herky jerky while under normal or moderate acceleration. Tags 14l 2012 accelerating idle issues surge surging turbo. Hello friends! Recently went stage 2 with EQT and first time went WOT from 3k while in 4th gear and noticed turbo fluttering while accelerating. After four days I was told resetting I notice an irregular pattern in the RPMs that makes me not trust the truck. For instance, at highway speeds, it will just sorta stutter some. 5R GPF Wagon running Revo Stg 1 (99ron tune) with Revo Turbo elbow, Revo muffler delete, Revo turbo hose and most recently an R600 intake. Open comment sort options. until it is at full operating temps 185+ it will rev 100 to 500 rpms while idling. Save Share Engine Idle Surge on Cold Start – 2013-2015 Ford Escape. It controls the oil pressure in the turbo to actuate the VGT fins. Whilst it is possible for a wastegate to make a small clattering or rattling noise if it is just at the point of opening (exhaust pulses can make it vibrate on its seat before it lifts clear), it has nothing to do with compressor surge. Truck has 4 inch turbo back exhaust AFE mouthpiece Edge juice with attitude While driving down the road I'm getting an issue where it feels like its cutting our or having spasms going down the road, i originally noticed it at 1. 2015 - 2020 Ford F150 - Does everyone's ecoboost surge or shudder - So I've owned 3 ecoboost trucks and all of them have had some sort of shudder while accelerating which hasn't bothered me much til now. Also pukes out black smoke when each surge happens. 6litre surges on hills or under hard acceleration. The wheels should spin freely, but the variable vanes don't "spin. I think its 2200-2400 could be wrong about that ( will update to a precise rpm and mph later). If I'm accelerating just a little harder so it passes 2K, I get a noticable surge, almost like I stabbed the pedal. 0 2WD LB STOCK WORK Interesting. Goodysnap, Aug 16, 2018. It would make sense to either be the turbo or fueling I think? Thoughts? Anyhow this is the problem: While accelerating WOT after peak boost has been met, the boost falls off, the surges back up, then falls off again. 2004 250XLT XCAB 6. The truck lurches sometimes very violently. Surging While Accelerating? Post by shailey » 29 Apr 2011, 19:16. I have an egr delete but am getting a p041d code When accelerating, While under the truck for that maintenance, Turbo Timer, electric Flex-a-lite fans, FASS 95, 50 HP tips, upgrade to 351 turbo, 3. Any advice or help 06 ism 320k miles. I appreciate the help 2006 F250 Lariat Crew Cab FX4 6. 5 turbo also does the same thing with only 4000 miles . toughen my BOV spring and weakend it. I have tried different things but nothing seems to help. The condition known as turbo surge or stall occurs under heavy load conditions where boost pressures Have you ever wondered what turbo surge is and how it effect the efficiency of your turbo? If thats the case you're in the right place. niceguypmp3, Aug 16, 2018. My turbo Audi basically has zero turbo spooling sounds and that saddens me. Next I will change the TPS just because it sees very easy and the car has 110,000 miles on it. You can replace the solenoid, but it's around 300 bucks for one. Mine does kinda the same thing. Is this normal? Share Add a Comment. Probably won't I can NOT hear the "hiss" sound that I normally hear when the turbo is producing boost while accelerating. I have combed the forums and most of what I have found is for the turbo model or much newer Subarus. Tests/Procedures: 1. The motor surges on and off while I am driving. 5 10 speed and the shuddering is starting to annoy me as it's turning into more of a It's just the nature of small turbo'd cars. Probably 1 or 2 times every 10 rides. no smoke. It feels as though you are barely depressing the accelerator and letting off. Currently I'm running livetune cobb stage 2 93 octane. e. Is there something else to use to clean that carbon off. As speed increases it will do it intermittently. Kinda feels like it dropped down a gear, but the RPMs don't change. 3 Motor surges while accelerating. Both the turbo vane position sensor and MAF have been replaced within the last 50k miles and those would be the two biggest culprits but I could be wrong. To correct this condition, follow the Service Procedure steps to reprogram the PCM and the transmission solenoid strategy. while accelerating under a steady throttle, it will surge, etc. I then undid the one hose connecting the BCS to the turbo inlet hose 2001 Forester Turbo S & 440 bhp 2002 Impreza WRX. 5 turbo We bought it used about 2 months ago. new filters new injector pressure regular. It is loud enough that my What is causing this on/off power surge under acceleration? I'm presuming it's wastegate, but why is it so noticeable and so bloody annoying? Does anyone else have it this I have read countless threads, comments, YouTube videos, etc and the main cause typically seems to be from either a bad wastegate, failing turbo, loose or broken vacuum lines, loose or cracks in the intercooler piping, The condition known as turbo surge or stall occurs under heavy load conditions where boost pressures are elevated. It also surges going down the freeway. equipped with a 8F35 transmission may exhibit a shudder/buck/jerk while driving up to 35 mph (57 km/h). Figure 2 shows a typical measurement of the pressure fluctuations seen in the intercooler piping when compressor surge occurs when the throttle is closed and no diverter valve is fitted. 5 MPG (5. Paul M ASE Master. Save Share Reply Quote Like. 0L cold idle surge for first few minutes then smooths out and idles fine. only in that range. Keeping this old vibration thread alive. While driving and barely putting on the gas the rpm jumps up and down. I could also be accelerating to 40 MPH, but lift my foot off the gas when I hit 40 MPH. I also noticed that my turbo boost gauge was up and down on the pressure gauge reading as Note that I'm not referring to turbo lag or or the uneven feel of the power curve due to boost. 4L - Surging Issues While Accelerating. It is not compressor surge as it's while under load (aka in boost) and not the diverter valve would be opening to release pressure. It seems like the slow acceleration under cruise causes the lurch/surge. I tested my boost control solenoid. ” The “wastegate chatter” rumor would lend credence to the opinion that turbo flutter indicates high Surge can be also because of turbo intake. You will also likely get an underboost code set. I have a 2018 Malibu LT that is having issues accelerating. It dont matter what gear I am in it is still the same in the same rpm range. Recently I've noticed a lag in acceleration and then a sudden jolt out of nowhere, no matter the gear or RPM level. Although it doesn't always happen only 50% of the time. It is brief, at around 35-40 mph and when accelerating. Surges thru all gears. Modular V10 (6. If you accelerated hard there was no loss of power and no jerking and also no jerking when accelerating really slow. It then began occurring randomly in Alll while in park. 5l ecoboost in my f150. Full Throttle and just creeping around off boost is not a problem. 5 twin-turbo is experiencing a surge and hesitation at the beginning of a slow take off, or a rolling take off. 5SE surging while accelerating/poor fuel economy/lacking power. Basically when the engine is under approx. You can still hear it in the exhaust, but can't feel it. The car wont accelerate. I dont know where you are all at, but I live at about 4500 ft. I did a pcm update didn't help. 3. Here is a list of everything that has It's more noticeable when I set the cruise control to about 40 MPH, then go down hill. Top Contributors this Month 99 7. - PTP Turbo Blanket - Heat Wrapped Cold Intercooler Pipe itll do 1000 rpm for a moment and then surge to like 3000 rpm. I have to open the throttle to get up the hill. Has anyone experienced their Eco lurching/surging while accelerating with the cruise control engaged? At around 45-55 mph with the cruise on, during acceleration, my truck feels like it has a miss or something. And if we are experiencing full throttle turbo surge by getting on the left side of the compressor map surge line, then that is something I think is worth a discussion. I've come up with ICP sensor or VGT. Tom goes in depth to Ford is aware of the issue and will replace your turbo to fix the surge. 7 DRW CC LB:ford: 2012 410LEV Raptor Toy Hauler:thumbsup: sporadic surging/lagging while accelerating from a stop. Popped the hood again, looked around, and noticed the sensor on the intake tube wasn't hooked up. so if the throttle has a range of On the exhaust side - the turbo actuator can be checked via a dealer or professional diagnostic tool (no cheap scan tool can read the real time details) - the ECM will command a position and then sense what the turbo is doing, this data is reported to the tool if it asks. the frp fluctuates between 13000 and 17000 psi during that time. go on youtube and search tails bov surge or my channel [wayne peconi]. The little turbo isn't able maintain a consistent pressure in the intake as the demand for air increases. You have to take off in Low gear so it doesn't die. 7@131 (best trap) 11. 3BAR less, but it is less suited to road use and if specking for mainly road use i would go back to the previous smaller compressor wheel version. 2002 green, f250 crew cab, lariat, 3. It is not when shifting gears, which seems smooth, but during the ramp up of RPMs within each gear. Save Share Like. I had the same thing to a lesser degree but it was getting worse to where I could feel the surge under load. I hear a little chirp from the turbo during the surging. Hello everyone, this is my first post. Now that's it has finally gotten cold here in Arizona and the problem has worsened in the morning, I've noticed the turbo whistle changes pitch with the change in RPM's. This is more evident when cold (I live in GA so cold is below 80 degrees in the morning when I start it). i checked for leaks. 0L Eco Boost page. Make sure you are not touching the brake pedal while accelerating. It will do this continuously thru the entire gear up down up down. They will hook up a computer reader to your car and get a print out of all the codes that come up. I have some more testing to do, but when I manually adjust the boost down to a maximum of 10psi, the turbos no longer make the surge noise. After driving a couple hours the other day went to get on a main highway and had loss of power and surging while trying to accelerate. It feels like the some kind of "brake" is engaging when the car speeds up a little bit down the hill. Its like its not fuelling properly. Does it surge in high rpm or just accel? 2003 2500 QCLB NV5600 ~145,000miles CAI, 5" exhaust, Smarty Touch, HE351 swap, SB Clutch, CAT fuel filters,Mastercraft MXT's. When the intake throttle valve shuts the pressure builds up between the throttle valve and the turbo compressor. CaseyA925. Top. While you’re at it, When the turbo crosses the surge line and begins making boost, the engine sees a pretty decent increase in power and torque. WOT is better once it down shifts, but it is still there. Best. The PCM and TCM systems should be inspected regularly to ensure that they are functioning properly. Recently however, this has started happening just driving around the neighborhood at ~30 and accelerating, though it's certainly less noticeable. 0L Turbo Diesel: Service type Engine hesitates during acceleration Inspection: Estimate $114. Identifying Causes of Engine It sure sucks though because it is affecting the power while climbing the hills. Occasionally I will get bank 1 and 2 fuel ratio imbalance codes that randomly go off. There are 2 main causes of the 2017, 2018, 2019, 2020, and 2021 L5P Duramax Turbo Surge. This is a common and annoying problem that can be responsible for a variety of Solved: Wastegate Solenoid Seized. Sort by Oldest first Oldest first Newest first Most reactions. 5k rpm. Its propably nothing to do with haldex. Issue I have to day is. In 6th gear this surging was annoying but in 1st and 2nd it was jarring. Would something like this be EGR related? However, I had a weird situation occur twice while accelerating hard to pass (in normal mode, not Sport). " With the turbo taken apart, you'll see a bunch of little airfoils in the turbine housing (hot side) that direct exhaust gasses into the turbine wheel. I have removed the turbo twice to clean the veins and unison ring. I did use the search feature and found many posts on similar surge issues but don't have a good idea from any of those posts on what the issue may be and how it was fixed. Once you drive down the road for a while, and you drive it somewhat hard, it is like the flip of a switch and clears out and runs just fine. The PCV valve didn’t make the rattle noise while shaking it, only got a rattle after every 5-10 hard shakes, so I think it was bad and had lots of gunk inside. sometimes when this surging gets real My Lifted 2015 AWD Seinna van had a bearing going out on the transmission so I'm now the Proud owner of a new 2023 Limited Highlander AWD with the 2. While accelerating and/or cruising, the truck surges. 2191 posts · Joined 2016 Add to quote; Only I finally figured out what was causing my car to jerk upon fast acceleration. Any help is appreciated!!! Hi guys Im hoping someone's had a similar problem so we could identify the problem before I spend big bucks. 7 has started "Surging" and is most noticeable when cold. The Ford Mechanic I'm going to connect you with knows all the tricks and shortcuts. The issue is that most modern turbo engines have a very high tuning potential, and once tuned, can produce enough boost at low RPM Having a clear idea of turbocharger surging will enable you to quickly identify the problem and prevent it from escalating further. I have major lurching/surging issues under hard acceleration that starts at 4000 rpm and stops when reaching 5000 and above. I have attached a video of the turbo surge while cruising at 60mph. Good evening. jimmy57 Posts: 6690 Joined: 12 November 2010 Year and Model: 2004 V70R GT, et al Location: Ponder Texas Has thanked: 4 times Our 2017 Explorer 3. I can be going 65 and it will start surging. I can hear the surge during 3rd gear drops (I'm definitely over 3k rpm at that point). No codes are setting from the Powertrain Control Module (PCM). 4L Turbo Gen1 Service Issues 👋 CruzeTalk New Member Introductions Gen1 Appearance, Body, Detailing, & Interior. I took my car to Autozone as my son suggested. Turbo surges bad enough steady flat cruise to rock you in your seat. While starting cold or warm. niceguypmp3, Aug 16, 2018 #1. I have a minor "idle surge" while at a stop - a hundred or two rpm - enough for me to say "what the f My nissan will hit 2000 rpm which averages around 65 to 70 miles and hr. drdesl and mobilerepairboise This is a term that has found its way into common turbo vocabulary, and is often incorrectly used to describe compressor surge. This may be due to the software in the powertrain control module (PCM). Service manager did a road test and verified the buck/surge did infact exist. Watch a few YouTube vids on the subject of fuel trims and O2 sensor readings so you'll know what to look for. is up to operating temp and it is driven for 5-10min if you are on a county road doing 50-55 it starts to rhythmically surge It usually occurs when rapidly reducing speed after heavy acceleration. Ok, I changed the fuel filter yesterday. While accelerating/climbing the RPMs go up in a stepwise fashion. Code was P0455 Large Evap leak. 49: 2013 Chevrolet Cruze L4-1. Have not checked the brake pedal position sensor yet. 2014 Chevrolet Cruze L4-2. Injection control pressure sensor, in pass side valve cover front or for early model 04 under turbo I have had 3 no help but RO says it tested faulty . . While driving it today, everything was fine until accelerating somewhat hard to get on the highway and the surging started again until I came to a stop. it started to surge when I'm accelerating. There are no codes and the dealer has replaced the purge valve. 2003 f350 dually,4" straight pipe turbo back, edge programmer, 65 gallon heated aux tank, auto meter aux tank temp gauge, This is a common problem of turbo stall and turbo surge experienced by many modified Powerstroke diesels. There is a common belief that compressor surge can cause the turbo to “stall” (i. 4 Turbo. Really seems to be a chicken or the egg situation on whether that's related. Not sure whats wrong. It’s worth clearing the air and saying that this is incorrect – the turbo Customer: My Ford Escape 2014 hesitates when accelerating on the highway sputters Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix with Ford. Tell me a bit more about what's going on so he can help you best. regarding turbo sizing, i previously had a 2mm smaller compressor wheel version of this turbo, but found with the current one for the competition environment i could achieve the power i wanted with 0. The speedometer is not significantly affected and no other symptoms appear, i. I either drive faster or slower and try to not hit the certain conditions, surging eats turbos way to fast. 7 idle surge !! FIXED WITH SOLUTION !! Howdy, First time post on thread, been watching for some time. Rpm jumps back and forth while surging. Two things. Yet, you may also have transmission problems or even a bad tachometer. I tried accelerating passed 4k rpm again and that's when the surging happened it seems. Some believe that turbo flutter is actually caused by “wastegate chatter. Please explain to me what’s going on as I am new to this platform and my car is practically new with only 14k miles on it. General Discussion Gen1 1. 2021 GMC 2500 SLT Black Crew Cab B & W turnover ball. Have someone else drive, and you watch the numbers. Like I was revving it I haven’t had a turbo car since my 89 caravan (5-speed). It feels to me like the turbo is switching between two different levels of boost fairly rapidly. However, I love hearing a turbo spooling up. But when I put on the gas more it goes away. I first noticed it in 5th gear while gently accelerating around 55 MPH. After running a while then parking and it sitting there. I used the torque app and started graphing all sorts Hello all, I have an 01 CTD with approx 167K that has a strange problem. One thing is for sure, you won’t be able to drive safely if your engine keeps hesitating while you’re on the I did notice the surge a couple of times on my trip, but I backed off the gas straight away and punched it hard and the feeling didn't come back. 6L GTDI ENGINE – ENGINE IDLE SURGE ON COLD START – BUILT ON OR BEFORE 3/13/2015: Recently, my 04 6. I have a 2017 explorer sport with the 3. BUT what causes surge and what can be done to I've had a couple aftermarket tunes that have surged as you describe and contacting the tuner to get a change fixed it. 2. Its definitely not a boost leak, I disconnected the outlet from turbo, Its having an intermittent engine shudder in all gears, with no codes. I own a 2017 WRX with just shy of 60,000 miles. As for the XC40, the prominent turbo whistle had This is incorrect. Number two is that it only happens on load while accelerating and not letting off the throttle, (so not bov flutter). I've read a ton on the subject, and it's not just when letting off the throttle I get flutter, it flutters while accelerating WOT. See Also: 9 Reasons Your Car Makes a Rattling Noise While Driving #1 – Dirty Fuel Injectors. Unless the turbo is pushing oil or the impellers are chewed up you can fix these turbos for less then a new one. I am thinking tranny not staying locked in. I need help with this issue. not sure yet. Are we saying it is a MAF Sensor or? So, we will discuss turbocharger surging, turbo surge limit, and how to fix the issue once it arises. 6 turbo cranking but no start, i checked the fuel is coming to the fuel. My driving style over the last week or so hasn't allowed me to get into a situation where I would have felt the surge, so this morning I tried out my favorite stretch of road with a hard blast. Im still not sure why the engine and turbo would surge like it is but being in the shop we can figure that out. a hissing sound under load could be turbo stall or surge. New to me 2016 Platinum with 63k miles having a low speed light throttle surge issue. I heard CVT transmissions are overheating and using up fluid causing it to skip and without going to dealership to have them add fluid, one cannot check the Every half second or so it misses and the tack drops about 100 RPMs. I do see a 1psi dip in boost pressure during the low point of the surge. all this has happened in the last two days and i cant seem to fix it. I initially thought transmission, then plugs Anyways all back together bled system installed 2 check valves to return side. After passing I took my foot off the gas pedal expecting to coast back down to my cruise control speed, but the car continued to accelerate with my foot off the pedal. 5 L/100km)) - On a 2014 Chevy Cruze with a 1. I have a 2004 550 with a 6. He was playing with the vanes to aid in warmup My 2016 Veloster Turbo i just bought with 26K miles. If I jump on it, she runs fine. here are some things I done new vgt new ipc new pig tail for ipc. I can feel it in the pedal. Change evap canister valve,MAP sensor,Purge Solenoid Valve,Throttle body,new gas cap and it's still doing it. I have 103k on mine and it's been doing this for a while. I’m new here and new to Subarus (bought a 2022 touring last October). 1986 960 Turbo (sold) 1984 240D (sold) Top. For example, if I am rolling downhill in gear with my foot off the gas, the throttle is closed. i plugged my old BOV Now to the problem I have been noticing a surge at cruising speeds around 1500 to 2000 rpms. Also check for air in fuel and proper fuel pressure or pressure fluctuations that match the turbo surge. Regarding I have an 07 8600 IH semi with ISM motor that surges on acceleration-much worse under load-It puff black smoke on every surge. 5 turbo 1988 k3500 454. 2014 Chevy Cruze 1. Not lugging, though it feels kind of like lugging would just before the engine stalls. 73, 4x4, linex, 2018 Honda Clarity Touring PHEV - Forest Green w/Tan interior (wife's car) 2017 Volt LT - Heather Gray; black bow ties, Charcoal VoltShelf 2012 ECO MT (hail totaled 5/8/2017 @103,600 miles - 42. Correct sizing and tuning of turbochargers can help prevent turbo surge. As Kingbrown said, its compressor surge or turbo flutter. The PCM detects underboost by way of the MAF sensor. I pulled the turbo and there is no housing cracking and I’m guessing the recirculation valve might be the problem? I can’t find any cracks in the hoses to any of the intercooler or turbo piping. This happens when accelerating or while climbing hills / moderate load. My dealership's engine performance technician found the fuel injectors and turbo performance in "normal parameters" and Turbo makes this whistle/ whine sound when I’m accelerating harder than normal. So the check engine light came on again while accelerating right around 4k rpm. I’ve got a 2011 LML that is deleted. Maybe throttle body? And anyone have issues at times while accelerating it feels like wheel hop that makes the car shake. 01 escape 3. We would pull over, turn off, restart and problem solved. it happens intermittently but It's been in the back of my mind that this could be turbo related(IE VGT Solenoid or sticking vanes). 35 years experience with ASE Certs. 0l Ford engine. The moment you step on the gas, the problem is gone. 0 started stuttering and surging while under a constant throttle. It flashed like before and just disappeared after a few seconds. The "sensor" your talking about is the turbo actuator solenoid. For the life of me I can’t figure it out, and I’m sure it is a boost leak somewhere. Over the last few days I have noticed during acceleration mid range the turbo flutter /compression noise (not the let-off woosh) during acceleration. Ron. Turbo ? Thank you . 6T power inconsistent\hestitation when accelerating. SUVs suffer from turbo lag more It’s always possible that the fluctuation has to do with an engine vacuum leak, especially if it occurs while accelerating. mine does it from about 1700-2000 rpm. Sort by Oldest first As far as I know it's never been replaced (only had the car 3 days), was that the front sensor? Also the surge is very gentle not jerky and there is no 'noise' associated with it. The Tech at the dealer states "these do this" which I think is a cop out. When Hey all, My truck, 2014 3500 with straight pipe, DEF/EGR delete & MM3 tuner, recently started to surge or lope but only when I'm usually accelerating or barely feathering the throttle. Greetings from Finland. I had a hose burst under acceleration a while ago. While accelerating at lower speeds it felt like a huge studder constantly up to 45 mph . rough. 4 . Any other thoughts? Thanks: dgpeak: Posted 11/27/2016 18:01 What is "accelerating to hard" I'm not being sarcastic just wondering what you mean by that. 0 turbo or is there a possible issue? It's barely noticeable at idle, and while at a steady cruising speed. Usually happens if I'm taking off at a slow start. I don't think its turbo lag because it is way more noticeable than turbo lag, and it's an on and off occurrence. Now, I have been following the posts here and I wasn't even aware of the recall until I went to the dealership for regular maintenance. Home made Fuel Heater, BD Exhaust brake with Torque Lock. I done a little research and I do say little. I have noticed a slight stutter around 2500-2600 while slightly accelerating, say about 45 or so in 4th gear. Customer: I have a 2001 Cummins Turbo Diesel. When there’s a vacuum leak, the engine’s air Mine is back at the dealership for another (number five I believe) try at fixing this bucking/surging issue. hey everyone. 2011 F350 XLT SC srw 4x4 Pearl blue 2008 F350 Lariat CC DRW 4X4 I wonder also if it isn't something to do with the turbo. Problem occurs when truck is neither accelerating or decelerating. stop spinning), or even spin backwards. I took a 12V supply and connected it to the leads on the solenoid pins. 111 posts · Joined 2011 Add to quote; Only show this If I'm accelerating gently enough that it will at or below 2K, it simply goes into third and continues. your loosing power as the turbo is not working efficiently at ALL right then. It just started doing this but is this something normal for the 2. i just cant seem to fix it. and mine surges real bad. Giving my two cents in form my experience. Runs great besides the surge/pulse on acceleration. There is a thread called 2019 Edge low speed surge/buck further down the 2. 5i limited with 145k miles on it, has driven great up until now. 0 it surges when I am accelerating. I have about 10,500 miles and my car has done this 4 times in the past 60 days. No CEL, so will just wait to see if it does it again. no. You have to have a RP pressure gauge or a scanner on but I will bet your rail pressure is bouncing when this happens. also injectors were replaced due to missing that has gone away but the surging has not. I’d start with getting some mass air flow sensor cleaner and clean the MAP sensor and the one in top of the plastic intake. 52,487 Satisfied Customers. surge while heavy acceleration , or if i'm in med speed and accelerate little bit i feel missfire couple of time and it goes fine if i accelerate slowly it goes fine, and nothing happen in high RPM (more the 2RPM) , if you manual gears with high RPM ( like going long up **** ) 1) When the engine is cold and hasn't been running after sitting all night, it is very rough idle and doggy, shakes real bad. I watched my boost gauge while it was doing this and it was bouncing between 7-12 psi while it was surging even though I didn't I’m still getting the surging at 50F ambient, but don’t have the longer grades to keep testing. There are no turbine sensors on the turbo. Here's the specifics: - It only seems to do it between 30-50 mph - It only does it while I am trying to hold a constant speed (not accelerating / decelerating - The tachometer shows the engine surging <i>up</i> about 1-200 rpm Once I came to a light and stopped, everything returned to normal. However, this never happens at highway speeds, and it stops happening altogether after driving at highway speeds for a little while. so my friend told me about this site. I have same low speed acceleration vibration especially while turning and accelerating and the car is 2019 T8 with air suspension - so no 4wd / haldex. I'm guessing the issue isn't serious enough (yet) It doesnt sound like when you start your truck in the morning and drive while the engine is trying to warm up. Also, a few times while driving on the highway, it went into a sort of limp mode, where max speed was 80 or 100 kmH. I actually heard it The car runs and idles a lot better then it ever has. When slowly accelerating between 25 and 40mph there’s a surge and pause. Folks, My 2005 T6 surges during hard acceleration. The delete was done almost two years ago, which makes me wonder why it hasn't done this until now if it has to do with the delete. you could get a wicked wheel or a new turbo housing to correct this. 01 Escape 3. 4L Turbo: This warning may be accompanied by 2011+ Engine Related Questions - Major surging under heavy acceleration - I have a 2012 3. If I accelerate fairly hard without letting down shift the surge goes away. im having inssues with my vacuum or turbo. Does not matter If you have scan tool, you could look at fuel trims and O2 sensor voltage while driving. However, it is VERY noticeable on mid to heavy acceleration. Empty loaded bobtail doesn’t matter. It doesn't buck or shudder, it's more like the surge you would get when giving it more throttle. Adamb2014. The car on the oem tune will not turbo surge in 99%+ of cases especially above 3. I would definitely check the motor mounts, —both the engine mount and torque mount—on the passenger side. 42 gears, Twin air compressors, air bags, Remote dual oil filters, Hellwig sway bar, Front Winch. Redman. But while in "M" mode it Truck is an 07 LBZ with 220k miles, fully deleted, PPE trans, and EFI by Idaho Rob. So, we will discuss turbocharger surging, turbo surge limit, There are two types of turbo compressor surge, one which happens when the throttle is closed after acceleration and the other which happens under full throttle. 2001 Forester Turbo S & 440 bhp 2002 Impreza WRX. Thanks all! 2012 F350 KR 6. Top 10 Reasons Your Car Hesitates When Accelerating or Driving. David Craig. There isn't enough air mass passing through the intake to exhaust path to make the turbo spin, wastegate or not. Started it up and idled just fine, took it out for a test drive and had a slight surge on acceleration. As it starts to pull then power seems to be halted but the turbo continues to spool. any insight is very helpful. johnnieboy . It because of the intake throttle valve closing to promote egr flow when backing off after acceleration. When they say the vanes on the turbo, they're not talking about the compressor and turbine wheels. New Just took my 2018 to the dealership yesterday with As the fuel tends to get dirty after a while, the injectors slowly become covered in grime and other debris. Sort by: Best. This can be seen when datalog the car and will occasionally throw a code but not always. Any ideas . Basically, that flutter is the sound of a turbocharger trying to push air but failing due to a closed throttle, and it dramatically increases load on the bearings of the turbo. Two times while accelerating on an on ramp to an interstate and another one today, accelerating mildly away from a stop light up to 45 mph. hi i have a isx15 engine serial #79575723, turbo and acuator are 3 months old, 2 weeks ago the truck started surging almost like the vains are opening and closing constantly unless under alot of throttle. The root cause is generally an imbalance of assures between the turbine side and the compressor side of Generally speaking, a completely stock turbo engine will not compressor surge during acceleration. Our 2017 Explorer 3. It goes up 2-300 RPMs, then jumps up another 200, etc. If i shift while acting normal it shifts normal. Ford Mechanic: Eric W. There will be pretty strong sound, but the surge will still 6. I think this happens more so when it's raining or very humid. And when I'm accelerating it cuts out. Works great now! Original Post My escape is is jerking/sputtering when I try to accelerate to highway speeds. When coming to stop light, it will want to die from time to time, which it has done. 1/2 to 2/3 throttle load it will repeatedly surge, with what feels like pulsations about 2 or 3 times a second. But i believe i still feel a little pulsing while accelerating slowly. 7 diesel with about 23,000 miles and just started noticing that I was feeling a surge when under a load on or off cruise at constant highway speeds. it has no codes. No engine codes reading or pending. My Camry 2008 also vibrates while accelerating at 50mph to 70mph, it shakes and vibrates while trying to gain speed, but after 70mph it barely shakes or should i say Change the FCA, that is a typical problem when they go bad. 0, EGR Bye Bye, Bulletproof Oil Cooler, Pat Oakes Tune, 6" lift, 35's, 4" Turbo Back, K&N CAI got a 05 cummins 48re muldoons fmvb 1000hp trans, s&s 100% sac injectors, S&S 12mm cp3, fass 290 stock turbo. It's a weird pulsing feeling. He also mentioned that he thinks there has been a redesign within the turbo that eliminates this Waste gate solenoid was replaced at 205k and the turbo was replaced at 207k. That can help rule that out.
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