N54 surging while driving

N54 surging while driving. However, the car still had no power when I went to drive it. It then made its way into a handful of other models including the 135i, 535i, and Z4. I am having a Feb 23, 2022 · I have a 02 Camry with 108000 on the 2. I have a 2015 Corolla with the K313cvt transmission and the VVT-1 engine. We got of at 46K I'm sure it has original plugs and transmission oil. You’ll notice one or more of the following symptoms while driving or idling with your BMW if the solenoids fail. The surging can occur at any speed, If I'm trying to hold the truck at 30mph, 45mph and so on. Has EGR delete and a ficm tune from power hungry performance. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Apr 5, 2019 · With a faulty MAF sensor, you may experience your car unexpectedly jerking or surging forward while driving at higher speeds such as on the highway where it would be most noticeable. comCLICK HERE TO BUY YOUR NEXT CAR PARTS FROM MY AMAZON STOREhttps://www. Mar 4, 2018 · - Car surges normally around 82MPH +/- 1-2 mph - Car stutters when heavier than normal throttle is used, specifically around 2800 (if I recall correctly) - ISSUE WILL GO AWAY FOR ROUGHLY A MONTH WHEN A NEW COIL IS INSTALLED. 3 5 speed dually. Vacuum leaks occur when there’s a break or a leakage in the sealed vacuum system. After truck warms up it starts to surge/stutter and gets worse longer I drive. Plated it yesterday and started driving. Whether your car loses power while driving and dies or it only has low power output, a technician can rectify the problem. Feb 13, 2012 · Surging, pulsing while driving Jump to Latest 251K views 271 replies 46 participants last post by alexdowns288 Oct 11, 2023 May 17, 2021 · I've been working on this issue for a few weeks. However, it does not occur every time. I've checked for vaccum leaks and could not find any. In other wordsif i'm crusing in 2nd gear and arond 1500rpms, it will start to drop down to 1200then back up to 1500about 2 times a secondup and down, up and down. When that happens, you’ll notice your engine surging—the vehicle will repeatedly pick up speed and then drop speed, even though you haven’t touched the gas pedal or the brake. Don’t let it get that far. I'm not sure if the new hardware, or the reset fixed it but it's been a few weeks where I can finally cruise down the highway without the surging! Aug 13, 2011 · The other thing being that mine seems worse when its hot out after driving, and seems worse with lower rpms even though it will act up while driving as well Late '04 F350 6. Jul 27, 2018 · Furthermore, could this be something else? Maybe alternator&#8230;? I checked the battery voltage as I was driving to the dealer, and it was a solid 14+. It would jump up to 1100ish, then come down, or bog down to probably 500 or so, then go back to normal. Feb 3, 2017 · The transmission fluid and filter change did the trick. 0L Power Stroke Diesel - 2006 6. Aug 24, 2017 · It will start surging every second and continue doing this until I reach the top of the hill. Leave key in, wait a full 2 min to start, press brake hit start button and drive. Frequently asked questions regarding N54 common problems, N54 stock turbos, N54 horsepower limits, N54 maintenance and more. It only happens at idle or low rpms. Nov 16, 2005 · Recently, my 04 6. Examples would be going uphill, attempting to increase speed while already moving, etc. Car has 62K miles on it. The primary issues are the fuel Jul 7, 2018 · If I give it a little gas (rev past 2k rpm), the engine completely smooths out and once I get driving the rough idle/misfire goes away completely. He did reset the transmission adaptive learning. The check engine light came on about 85 miles later with the same code bank 1 sensor 1 fault code. I found out what the problem was with the surging. A check engine light should be present when the mass airflow sensor is bad but you can easily confirm via an OBD2 scanner. I just recently rolled 37k on the clock so my bumper to bumper warranty is gone. Engine surges up and down at all speeds. Feb 1, 2020 · BMW N54 FAQ's. 0 surges at idle and when driving at all speeds. It’s a relatively high-compression engine featuring an open-deck block; on paper, neither of these facts would lead one to believe the N54 can handle big boost. Jun 7, 2022 · LazySoo335i submitted a new graph: N54 timing corrections while coasting and light throttle Hey guys I'm chasing an issue I can't figure out. It happens only on the fourth (last) gear while driving steady. However, there is a common misconception reg Dec 1, 2020 · The issue I'm stuck on is an issue where my idle surges between 1,000 to 2,000 RPM (back and forth) in park/neutral and today on my way to work, I noticed it was trying to surge while I was sitting at a light. New fuel injectors, high pressure fuel pump, fuel pump in the tank. No codes. Jul 6, 2014 · A 'surging' idle with roughness is often indicative of a vacuum break somewhere. When the boost is below 3psi the truck starts bucking and missing while driving. 0, studded, 4" exhaust, intake and programmed Jul 20, 2004 · Im a newer member of the forum and new owner of a C5. I figure it's going in and out of 4th gear and must have something to do with the fire Feb 7, 2018 · Hi all. Sits at 800 RPM at idle. 3 PS surges while driving - Info: 1997, F250, 7. The only factors I can identify are that it happens between 1/4-1/3 throttle, ambient temps between 0-20 F, and a slight incline. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > 335i N54 surging idle, reduced power, dsc malfunction Dec 20, 2021 · N55 surging/pulsing while cruising I’ve seen this topic on the E90 forums so I apologize in advance if it has a thread here. Aug 29, 2019 · We recently took at 600 mile road trip in the vehicle at which time I was the driver. I have the icarsoft i910 scanner/code reader and there are no fault codes. It can be going 70mph and just jump like I hit the accelerator. i assumed it was the intake one then and Dec 26, 2021 · 6. 3 AFM Silverado w/66,000miles has been RPM surging while driving over the past couple weeks. See full list on bmwtuning. I'm just getting frustrated lol Jul 29, 2023 · Common Causes of Engine Surging Vacuum Leaks. This can lead to an imbalance of air and fuel mixture, resulting in engine surges. Recently I noticed the engine will surge (rpm's fluctuate) a couple hundred rpm about every 5 seconds while driving under load. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. I brought it to the dealer to look at it previously and they said it was my low pressure fuel pump (different issue). It's like the engine speeds up, then slows because it sped up, spiraling to the point where I get a constant up and down. It kinda has the feeling when you turn on the Cruise Control and the vehicle is trying to stay at that speed. 5 - 1997 7. a car should not be going through injectors every 35K miles. 0 RPM surging while driving - Hello all, I am new to this group and thought I would ask for some help. The motor surges on and off while I am driving. 4 engine. Jul 5, 2011 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. nathansbmwworkshop. co Hello, if anyone could help me figure out what the problem is with my car A couple of days ago, I installed a VRSF charge pipe with DV to my stock 335is. mo Apr 21, 2016 Oct 3, 2011 · As far as I'm concerned this is bizzare. Upgraded turbos are at the forefront of discussion when it comes to unleashing the N54’s full potential. I've had a scanner on it and everything looks fine (No Codes). After much flashing and testing I now have the FF module removed and the car is flashed to stock, and still surging. so in 2011 i got new injectors, (not the newer -11 config) then in 2014 the BMW dealership in El Paso TX told me injectors 1,3,6 were faulty. - Car has not received a walnut cleaning as of yet Apr 11, 2011 · jost got done installing new 58v swamps ficm fuel reg kit blue spring coolant filter kit. Also, I turned my steering wheel 5 - 10 degrees while the car was off (I was braking to a stop as I was changing into a next lane). 3L Power Stroke Diesel - 7. Any ideas? Nov 22, 2019 · 2015 Ranger crew 900, engine idles fine but wont stay at the same RPM while driving. It Dec 29, 2018 · I think you're right about the fuel issue. The surging continued until I reset the throttle and fuel adaptations. I found a good parts site that sold the correct auto trans fluid type. Under coasting and light throttle I'm experiencing a surging or bucking kind of feeling. It is like a pulsation (or I would say kick in the ***). 2009 335i n54 2aa4 p13ba issues. 0 powerstroke with an automatic trans and 127k miles. Engine surging while driving at highway speeds can often be traced back to vacuum leaks. This just started today. Jul 4, 2011 · While driving, the car will jerk or surge and seems to take forever to shift, especially when the weather is cold (automatic). When I'm driving, the engine runs smooth. i changed the exhaust cam position sensor first and it was the same. 3L PS, 5speed manual, 112,000 miles. Jun 7, 2022 · Under coasting and light throttle I'm experiencing a surging or bucking kind of feeling. May 6, 2018 · 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. We also look at how to diagnose the problem and fix it for a smoother ride. i did what i said above and changed to 10w 30 with rev x added. com/shop/inf Apr 3, 2024 · This balance allowed the N54 engine to achieve a remarkable feat: generating a level of power typically associated with larger, more fuel-thirsty engines while maintaining reasonable fuel economy for its class. It even stalled in traffic. So while expensive, the N54 can achieve supercar-rivaling horsepower figures with supporting mods. While BOV surge can cause damage over time, it's a lot less severe than surge under acceleration. It seems to happen primarily when traveling between 45-55mph. I checked all the connections to make sure there are know leaks on the intake side. Hi everyone, I've been having a throttle problem with my 2008 BMW 335I w/N54 engine. If I'm idling in the driveway in park, the rpms will stabilize, and occasionally, randomly, it drops 50-100 rpm and produces a thump I can feel in my butt dyno. Upgrading to a larger unit or adding an additional oil cooler will significantly help keep oil temps down. For instance, at highway speeds, it will just sorta stutter some. This article will discuss common causes of loss of power while driving and highlight probable solutions to the problem. When the tranny's in 4th gear and I put on the TURN SIGNAL the engine surges. A competent service guy may need to 'smoke' and engine to determine the source of the leak. #4 – Bad Fuel Pump or Filter Sep 24, 2019 · While the BMW N54 can push incredible power and torque through the small stock twin turbos, many enthusiasts want to take their N54 to the next level. after that i fixed it but 2aa4 stayed causing limp mode to activate. I live on the East Rand. Apr 7, 2020 · Now I have this idle surging that is really bad. Any higher throttle would cut it out. You can clearly feel it. Jan 6, 2020 · 2008 535i, N54 engine, 140k miles. Jan 16, 2018 · 5. Nov 29, 2011 · Anyone experiencing light "surging" of 100-200 rpms while driving on the highway at steady speeds, up slight inclines or under load? Normal highway speeds either at 70-75mph or 60-65mph, much more noticeable when towing a heavy trailer or going uphill. Jump to Latest 9K views 8 replies 5 participants last post by MrShorty Mar 21, 2018 N54 issues while driving Okay so basically I have a 2008 bmw 535xi with the n54 motor Iv noticed lately sometimes when I go over 100kmh the car feels like it’s bogging or something not really sure how to explain it but it feels like it’s jumping very slightly while cruising around 100kmh ( it doesn’t always happen it’s completely random) At first I thought it was an exhaust issue but upon further inspection the sound is coming from the Engine itself. Well the bug has bit me as well. Next morning, when cold outside again, no problem. after a couple weeks of driving a coil was undone and the cylinder was misfiring obv. While driving home today I noticed that the engine would bog down and then ramp back up to normal. Oct 8, 2023 · Looking for answers - The vehicle has a slight intermittent surge feeling while driving , more so up slight inclines. Aug 28, 2017 · Thank you for your replies. Feb 26, 2024 · I have been getting a misfire on cylinder 5 while driving in gear on the throttle and can’t figure out for the life of me why. I cannot determine if the noise persists as I am driving however. It also surges going down the freeway. 0l N54 twin turbo engine. So I replaced the fuel pump and the fuel module and it fixed most of the issues I was having, but this loss of power for a second while driving is very annoying. The car has suddenly lost about 30% power. Jul 15, 2013 · Hey guys, my 2010 5. 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 change pedal position at all. We often receive emails asking about the 10psi spring that comes pre-installed into the TiAL Q BOV, wondering if it is sufficient for holding boost on an N54 making 20+ psi. Causes of RPM Fluctuation While Driving Jun 9, 2008 · Hello all, I have an 01 CTD with approx 167K that has a strange problem. while accelerating under a steady throttle, it will surge, etc. Mar 6, 2023 · As soon as there is RPM fluctuation while driving, it’s natural to take notice. Schedule repair work promptly. The odometer jumps a little bit (around 50 rpm) and comes back. Only mods are MHD and a dual cone intake. Once the problem has been diagnosed, you will be provided with an upfront quote for the recommended fix and receive $20. What causes this condition and should you worry about it? In this guide, we examine the most common causes of why your RPM is fluctuating while driving. May 14, 2018 · I have a 2015 3. Sometimes after it's restarted it goes away for a short time. Bavauto. My first post as long time "lurker" on this forum. I pulled the codes with my scanner tool and I am getting codes 2D09 and 2FCB both throttle body related. Aug 5, 2019 · When I'm accelerating you can feel the surging and between 40-60 you can see the needle bounce about 200 RPM. Took it back to shop and had a smoke test done for any vacuum leaks and it passed the test. Shortly after, I noticed after driving it, then parking or sitting in stopped traffic, I would feel a slight studder or misfire in the engine, it will still stay at 600 rpm. When the boost is above 3 psi it goes away. Starting is normal, idle is very smooth (once engine is warm), WOT is fine, power if excellent and throttle response is normal once at speed. The entire weight of the vehicle rests on the bearings. 00 off as a credit towards the repair. I cleaned MAS sensor, replaced throttle body/tps unit with no difference. Feb 26, 2022 · Sometimes the surge is pretty bad, sometimes not real bad and sometimes it will go away for a little bit. Nov 11, 2010 · I bought the jeep about a year ago and it just sat in the garage until last week when I decided to get it running. Releasing the gas pedal stopped it, but reaccelerating usually caused it to recurr. Been noticing a slight surging when holding steady speeds or when using cruise control. I feel it less while moving, but it becomes bad enough to almost stop where it stops. Its limits are very high. Surging means power loss and then suddenly back on, which is engine related. Sep 11, 2023 · The N54 tops out around 700-800 hp on stock internals. I use the car quite a bit. Feb 16, 2024 · You might come across either engine surging at idle or car surging while driving. The sound is palpable when engine is idling. The vibration while excelaration after 15 to 20 minutes of driving . They may also comment about hearing an engine tone change as engine RPM briefly increases and then decreases. Aug 20, 2024 · Difficulty driving – Engine surging can make it hard to control the vehicle, especially at low speeds or while idling. Nov 28, 2016 · My 03 6. I just rebuilt the engine with new rings, pistons, bearings, cams, rockers, lifters, valves and timing. Oct 27, 2019 · 2014 1500 with the 8 speed, 121,000 miles and owned since new. 5SV with just under 50k miles on the vehicle and have been experiencing a surging / shaking issue when accelerating either from idle or low speeds (10-25 MPH) after making a turn or simply driving away. I replaced the vanos solenoids but that didn't help. Now it does it when I'm driving too, doesn't matter what gear, or speed. I found that driving along in 3rd gear and holding constant throttle at about 1800 RPM, the engine, and car, will begin to surge, RPM dropping down and then back up, over and over about once every second. After spirited driving the N54 can see oil temps of 250-260 degrees F, where an upgraded oil cooler can reduce temps to 230 or lower. 9 quarts) How to spot: Check engine light, slow starting, low power, surging while driving, limp mode While the tachometer should normally be 600, it drops to around 400 and rises up to 900-1000 again and becomes 600 again, then drops to around 400 again and rises up to 900-1000 again. This can also cause a driver to lose control of the car, leading to potentially dangerous situations. Instant power. Sometimes, our car loses power while driving due to the malfunctioning of one or more system components. the dealer in Philly says Jul 19, 2022 · While certainly not the last weakness of the N54, fueling is the last of the major ones to address before I could have the confidence to road trip the car. During this drive I noticed quite often that the RPMs were surging slightly (maybe 200 to 400rpm) when the vehicle is under load. 0L inline-6 direct injection engine was a totally new direction for BMW at the time. 0-liter turbocharged N54 & N55 gas engines: 6. Oct 7, 2021 · Hey guys, I have 2008 BMW 535i with the 3. 6. I have a 2006 6. I just replaced the IACV (old one actually had a chunk missing out of it) however I'm still dealing with the issue. Another Youtuber found the issue to be related to one of the injectors on his N54 Jan 16, 2013 · While driving down the road at a constant speed the truck feels like it has a surge to it or a jerk back and fourth sorta like its going forward and backwards while driving a constant speed, if I let off the throttle a little bit or give it a little more it stops but continues again once my speed levels out Jan 5, 2015 · I recently did a spark plug change at 45k miles using Bosch OEM Spark Plug # 0242140507 / ZGR6STE2 - BMW # 12120037244. Nov 25, 2017 · It was at about 95k. My code reader shows the following codes: P1638 - Throttle Valve Position Control; Throttle Stuck Temporarily P1632 - Throttle Valve Adaptation; Adaptation Conditions Not Met P3026 - O2 sensor temperature measurement operating temp not Jul 9, 2015 · I think the correct term here is "surging. Learn the causes, and how to troubleshoot and fix this common engine problem in just under 45 minutes to drive trouble-free. 54 K Miles - Bought new, never driven hard. Would this have damaged steering pump or steering rack? Dec 8, 2016 · The most popular service booked by readers of this article is Car surges when air conditioning is on Inspection. You should also hear a very distinct noise when surge occurs and have evidence of surge on the compressor wheel as well. Mar 31, 2018 · First time posting but I have a 97 f350 7. The surging at idle doesn’t really concern me too much, it’s the bucking and missing at low throttle. It disappears on deceleration or harder acceleration. 5L (6. Kinda wants to jump away from when sitting at stop lights. Very frustrating. 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 Sep 30, 2021 · The BMW N54 engine made its debut in the 2007 E90/E92 335i. Nov 11, 2019 · A Little About the BMW N54 . It may have initially helped a bit but the vehicle still bucks/surges between 15 - 20 mph. My 2012 335I 118000Km has recently been pulsing while Accelerating, it feels like I got off the gas for a split second then goes back to accelerating to no gas etc when lightly speeding up to highway speeds it’s very While the tachometer should normally be 600, it drops to around 400 and rises up to 900-1000 again and becomes 600 again, then drops to around 400 again and rises up to 900-1000 again. jumped in the truck When this component malfunctions, it can cause the turbo to stop functioning and throw the N54 30FF engine fault code your way. all started when i changed sparkplugs and coils. amazon. 7 vortec surging while driving. Was pretty uncommon but got gradually worse. I would appreciate any suggestions: I have a 2008 335i N54 with 83000 km. Handling: The N54 also benefits a lot from suspension, sway bar, and chassis upgrades. 0 started stuttering and surging while under a constant throttle. It could be a gasket in need of replacement, it could be a crack in something like a (plastic) valve cover or hose. I have reset Throttle, Octane, and idle adaptations, turned car off, waited 30 seconds, turned on key, waited 30 seconds and started the car and the surging continues. The car is completely fine starting up, apart from your typical N54 valve tapping noise (which sounds louder then I like), the car is completely fine idling. May 10, 2024 · Oil capacity for 3. When coming to stop light, it will want to die from time to time, which it has done. I read a couple of days ago about a few of the members cars surging/ bucking while driving down the road. - Car has roughly 145k on it. The engines RPMs seem to bounce back and forth 50-100 rpm. The jeep idles just fine however driving is a different story. Before diving into the discussion about upgraded twin turbos we want to diverge briefly to discuss the N54 engine. Purchased the truck with no issues. I have two new O2 sensors installed and a mas airflow sensor. In the guide below we show you the most popular issues and how to fix them, EV's also have surging issues which we address in this guide. It does this for the first 15 minutes. Jun 11, 2020 · Hi. Apr 4, 2017 · The problem most commonly manifests when getting under way from a stop light. Feb 8, 2010 · When I'm driving around town using very little gas pedalaround 30-35mph the engine will start surging. Especially on one flat road I use for work. Apr 22, 2017 · Ok after the bank 1 sensor 1 was replaced all of my hesitation and surging is gone. The engine loves to be pushed hard. How does Tony diagnose this damage as being surge VS too high of axial load? Jul 31, 2013 · Some customers may comment on a random tachometer needle movement while driving at a speed of approximately 80-88 km/h (50-55 mph) with a steady throttle on a level road. Sep 11, 2023 · Below are answers to some frequently asked questions about driving and repairing BMW reduced power issues: Is it Safe to Drive with Reduced Engine Power? Limited short drives at moderate speeds and low RPMs are likely fine in the short term. At first the mechanics said they "reset" it to factory settings, whatever that means and since then no one seems to be able to figure out what is Nov 29, 2020 · I can't seem to figure out why my 04 has a slight surge when driving. I took the car to a Sep 4, 2021 · Today I reinstalled the outlets and they both seem to be installed correctly with no issues on the coupler. Remember, I don't know much about mechanics, especially tranny's and electrical problems. The only other mods I have on the car are an AFE intake and MHD stage 0 for some exhaust burble Does anyone here have any experience with surging under constant throttle input on the lower rpm range with an N54 specifically? I’ll post specific details in the comments but I just want to know if anyone here has ever fixed a surging N54 and how y’all did it. The car currently has 130,000 miles. Higher speeds I don’t feel it as much but the rpms still exist. It's not a misfire. Any help will be appreciated!! The stock oil cooler found on some N54’s (a lot of n54’s have no oil cooler) is very small. Jul 5, 2023 · The curious thing was that driving @ interstate speeds (65-80) the ATF temp was pretty consistent at 195-ish degF, however during stop n' go traffic (we were traveling I95 which briefly becomes a parking lot on the weekends) the ATF temp climbed to 220 degF at one point, however once back up to interstate speeds did come back down to 195-205 degF. While foot on pedal at 30 second mark press start button, release gas. Mar 29, 2009 · 1994. " Bucking means you feel a breaking force and is almost always drive train related. The tech did experience the issue but said it was normal operation for the vehicle. Feb 6, 2020 · To better describe the symptoms: Sometimes when i step on the accelerator while driving to speed up and then i let go of the pedal, the jeep still feels like like someone is stepping on the accelerator and the jeep will keep going at the same speed/rpms accelerated to until finally slowing down (this observation is by looking at rpms and the Dec 7, 2013 · While hot we will be driving down the road and it will start bucking and surging start down shifting and it doesnt get any better. N55 Tuning Jan 9, 2016 · Turbo Surging While Driving Jump to Latest 14K views 13 replies 7 participants last post by j. What causes bearings to fail in BMW 3 Series? Even when driving your 3 Series in a straight line, the bearings have to absorb high radial forces. I bought the car new a year ago and it's been doing it from day one. Despite its reputation as a strong factory motor, upgrading to a… Dec 27, 2019 · I consistently had surging this week on a lot of highway driving. It is a very specific type of vibration, more like a shudder. Idles fine. When I'm going down the highway I can hear the turbo whistling and spooling off and on kinda pulsing like, don't remember it doing that before. they wanted 2Gs to replace all 6 of them. The bog The TiAL Q is one of the preferred BOVs for the N54 engine, it is reliable, strong, and looks good. Apr 25, 2019 · On my second visit to service I did request the tech take a portable computer along while I drove the vehicle. recent work completed related to misfires: low pressure fuel sensor, new plugs, new coils, new turbos, new o2 sensors. I'd check the dump normal stuff first: air cleaner Spark plugs vac leak turbo PCV, just 'cause BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > surging/flucuations while crusing in vaccuum Feb 27, 2015 · My original injectors were actually replaced by the SIB issued a while ago. Clutch it and it idles fine but engage it back into gear say second while coasting at 10mph it still bucks and goes on then it just clears up. My current issue is the car will surge at idle between 1000-1500rpm up-down-up-down-up-down. 5. This is caused by too much fuel being sent to the engine. It will idle, accelerate and cruise just fine when the motor is cold, but once it reaches operating temp, it starts to act up. com Liquid Moly was the brand, imported from Germany. Engine Surging: Symptoms Surging or misfiring Dec 17, 2017 · GO TO MY WEBSITE AND BMW FORUM !!!https://www. If you give it extra Gas you don't notice it. Its output of 306 horsepower and 295 lb-ft of torque was impressive for its time, offering a level of acceleration and responsiveness . they said i needed new ficm 2 injectors and fuel pump because they read 48-50 pnds of pressure. If I unplug the top O2 sensor (the electric connector) the cel comes on but the car stops surging while accelerating. I have also replaced almost all of the sensors, as well as the cat. Help me. The twin turbo 3. 4l ecotec vvt. Power on the highway is normal and after the car has been running for a few minutes, I can idle the car just fine. Common signs of vacuum leaks include: Rough idle May 6, 2023 · The engine surges while driving. 2007 335i 6mt. May 16, 2017 · This is an interesting article. In worst case scenario, affected wheel locks up while driving or even tears off. On a cold start (engine being off for 10+ hours), the car cranks, starts, then starts to shutter and shake and unless I give it gas, it will stall. I just got done with my test drive after putting everything back together and it runs like a dream! I replaced the plugs (which were pretty crispy), sprayed TB cleaner into the throttle body without removing it, and reassembled the cold air intake (I had noticed previously that one of the hoses seemed to be bent in such a way that it was binding or pinching the hose). The good news is in many cases, engine surging can be repaired with little cost. When driving, slightly accerating, the truck is doing about 1100 rpm in its 6th gear. Feb 6, 2016 · It happens only while driving with low power (only keeping the speed) between 80 to 100 km/h. But extended high-speed driving can risk stressing a weakened engine. This continued over and over all the way home (20 miles). Sep 21, 2021 · Originally my issue started out as a surge at idle. The car turns on but the engine does not idle correctly. Aug 22, 2020 · While driving, my ram will surge 2-3 hundred rpms every 2-3 seconds. The car has a surging acceleration problem but no check engine light on. It really feels like the torque converter locking and unlocking. I feel it really hard at lower speeds. took the truck out for about 50 miles sta and sun ran great, changed these parts due to cold start issues and ford diagnostic. Yesterday it started surging, speeding up, slowing down while driving at a steady speed. I'd been driving the jeep for an hr when this happened. Issue occurs even after oil change. Aug 27, 2023 · I have a 2013 chevrolet equinox 2. Mar 9, 2022 · An engine or motor surge is caused by an imbalance in the computer system which cannot be corrected within the parameters of the vehicle's operating program, in other words there is a mechanical problem. There was no engine code while driving it, even under full throttle. It was a leak issue from the filter housing. I noticed it when going up hills and giving a little more throttle. New Feb 15, 2018 · 4. It is a 2010 1500, automatic, 4x4 Big Horn Quad Cab Hemi with 70k miles. Mar 16, 2022 · I tried to get a video but the issue doesn't come through very well. ijbotp vkhwb wwru jlxb dldez enorj scbn adqalgzk iqsi dotq