Engine Surging When Accelerating

When using less than 50% throttle to accelerate and above 2,000 RPM, I get a surging with a frequency of about half a second. Chrysler's Multi-Displacement System (MDS) is an automobile engine variable displacement technology. We're talking about engines that start easily and accelerate smoothly, but then, after a few minutes at a steady speed, either surge in speed or misfire, causing the car to "buck. This may be due to faulty engine control module 7 Feb 2018 Why Your MINI Engine Stumbles While Accelerating irregular engine performance usually means something is very wrong under the hood. The MAF (mass air flow) systems used on many cars measure the amount of air flowing through the engine's throttle valve (throttle body) and use that information to determine how much fuel to inject. Here are some ways causes to look for and ways to fix transmission slipping. I've been getting a noticeable surge/hesitation on acceleration once in a while. Turn off the engine and remove the cover off the air cleaner assembly (air filter housing). So the tuner tried. 3800, engine surges and tac pulsates +/- a couple hundred rpms. Engine hesitates during acceleration Inspection Service It can be frustrating for any driver to expect certain acceleration from their vehicle only to find that the vehicle seems to be hesitant while speeding up. Ive been dealing with this sputtering misfiring for a very long time, I dont even remember what my truck used to run like. Something to do with the DME - whatever that is. on start up it revs to about 2 grand then drops to target idle of 575 or so. my truck runs great, a little vibration in the mornings at a stop light, but as soon as i start driving it goes away, and only happens when i first pull out of the driveway, but sometimes when i put it in park the engine surges up and down about 200 to 300 rpm's a couple of times and then goes back to normal, otherwise everything else is fine, truck has about 66,000 miles. 3800, engine surges and tac pulsates +/- a couple hundred rpms. If I am cruising at, say 40, and try to accelerate, there is just a puff of black smoke as it attempts to accelerate, but the truck just surges. Lately I have noticed that my MDX surges while accelerating. Even with 140k on the odometer, it still runs very smoothly and hasn't run into any major problems, just a few quirks like this one. During high rev acceleration i. Hey all, My truck, a 2014 3500 with straight pipe, DEF/EGR delete & MM3 tuner, recently started to surge or lope but only when I'm accelerating normally or barely feathering the throttle. I have a 2003 toyota tacoma 4x4 with the 3. At this point the GM of the dealer suggested that the vehicle should be replaced. There are a few different causes between gas and diesel engines. Are the two related?. Any ideas greatly appreciated. If the EGR is disconnected on a stock system the engine will ping, the knock sensor will detect the pinging, the ESC will retard the timing to stop the ping, and the truck will hesitate, get poor mileage and lack the power it would otherwise have. at first i thought it was the spark plugs so. Basically it will accelerate normal then add what the butt dyno says is about 5% then back to normal, then add 5%. Ive been dealing with this sputtering misfiring for a very long time, I dont even remember what my truck used to run like. fordproblem November 7, 2014 0 Comments If you are driving a 2012 Ford F-150 , or if you are planning to purchase one, then it is important that you review reported Engine problems and defects. Ryan's blue metro 1. If the check engine light is not on and the "D" light on your PRNDL2 is not flashing then you know it's not an electronic solenoid failure or issue. The RPMs fluctuate during this also. Fortunately, there is a full kit sold by Dorman that contains all the parts needed to correct this. Im struggling to work out what is causing it though. harley davidson gears surging , motorcycle injected engine surging, sportster sputters and jerks in first gear and dies, victory cross country low speed surge, victory crossroad motorcycle starvinf for fuel & cutting out, victory motercycle engine problems, victory motorcycle common problems, vulcan 1500 momentary stutter,. Between 1500-2500rpms the engine lunges, below that or above that it runs great. Right after leaving my subdivision I pulled 1st gear to 5k and second gear to 5k. When gently accelerating and rpm goes into such range, then when looking rpm neelde, it goes up and down sometimes even more than 100 rpm. Surges and sputters when accelerating at low speeds, 20 -35 mph, runs rough as if it is missing at low speeds. After driving for a few minutes, I tried it again and it was surging just as before. Check engine light came on, surging idle etc. The MAF (mass air flow) systems used on many cars measure the amount of air flowing through the engine's throttle valve (throttle body) and use that information to determine how much fuel to inject. 7:1 for gasoline, and you’re good to go. It feels like turbo boost coming on for a few seconds, then seems like it's decelerating. If any of these is lacking, the engine may stall. I started searching through the forum and thankfully came on this thread. obviously check. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. Replacing the powertrain control module (PCM) and updating the transmission control module (TCM) software may be required. my truck runs great, a little vibration in the mornings at a stop light, but as soon as i start driving it goes away, and only happens when i first pull out of the driveway, but sometimes when i put it in park the engine surges up and down about 200 to 300 rpm's a couple of times and then goes back to normal, otherwise everything else is fine, truck has about 66,000 miles. 7 L modern Hemi V8. Right after leaving my subdivision I pulled 1st gear to 5k and second gear to 5k. Surges and sputters when accelerating at low speeds, 20 -35 mph, runs rough as if it is missing at low speeds. This post was originally published on this siteThe Population Collapse Behind Rates, Debt, & The Asset Price Explosion Authored by Chris Hamilton via Econimica blog, This may not be a surprise to many males, but human females are unlike the rest of the animals on earth. 560 Lift, 216° in/220° ex duration at. I believe that with the Mercury motors the low-speed winding is set to create sufficient voltage at lower speeds, but then it become saturated as the engine speed increases. I had a gut feeling it was a transmission issue and had a long talk on the phone with a very knowledgeable guy at AAMCO. What I experience is a feeling of a washing machine with a short leg spinning quickly and pulsing shaking the engine/driveline, BUT it ONLY occurs on FULL acceleration when the engine downshifts. A few days ago I took off fast and the car started surging when I accelerated. The weird thing is it only seems to do it after I have driven the car for a few moments. Check the supply of fuel to your engine. You would most often experience an engine surge when the engine is accelerating or deccelerating, and most often an ´Off Idle` surge ei in the intial accel. The car runs and idles a lot better then it ever has. In the past couple of weeks, I've noticed a. The problem I've been experiencing is a jerking or surging feeling while giving it plenty of throttle in the power band. It's really not a surge it's like the turbo boost is going in and out or it's not getting enough fuel and it's getting worse. all the time. So we have now had the mazda (626 4ws 89 F2T MTX) on the road now for about 3 weeks and been running fairly well until last week, every now and again under WOT around 2000-3000 rpm there would be a slight miss in acceleration, like a quick little stutter, then today out driving at WOT accelerating around the 2500-3000rpm the engine would start. This illustrates the flow of clean air and heated air which, together, act upon the automatic choke mechanism to properly position the choke plate. all the time. The distributor has the 18 degree. when the car is cold and I put the engine under load, it will hesitate and the exhaust will pop. The most recently reported issues are listed below. Hi all, Got the classic Td5 surging under load problem on my disco 2. For the last two months, it has began to surge rhythmically at about one-second intervals when accelerating from a stop sign or to maintain. Surging leads to a sharp fall in the flow and acceleration of air mainly because of the reversal pressure. If your car is shifting for no apparent reason and your engine starts making a whining noise, you may have problems with a slipping transmission. Some times it will do it while setting idle and sometimes it will surge while under acceleration. when i go to accelerate, the car cuts in and out. And this happens only with half warm engine. Welcome to the forumz, btw. 5 Diesel - when trying to accelerate in 4th or 5th, at about 3/4 revs there is a surging sensation where the engine seems to pull for a couple of seconds then backs off for a second, this backing off isn't like a governer coming in, the van doesn't slow down, it just stops accelerating. Also a blocked exhaust/cat will also throw a CEL. If you are reading our blog, it is a good possibility that you already own a hybrid vehicle or are possibly interested in purchasing one. anyway i have a 2000 limited 4x4 85,000 miles on it having alot of problems with acceleration when i step on the gas more than a 1/4 of the way down the thing falls flat on its face doesnt matter what speed i'm traveling at or if i'm in park has been doing this for a. Have about 6500 on my 18, when I'm going up hill the engine feels like it's surging, I can feel it when I'm accelerating normally. This surging continues until you let off the gas pedal. 7 350 engine 183,000 miles. As time went on, the condition became a little more pronounced, eventually leading me to go back to the launch at 2000 rpm because the surging would start at anything over. Intermittent Hesitation While Accelerating or While Cruising. Granted, an uneven idle condition can be found in many different engines. Stop and go is your friend, freeways should be avoided when possible, and absolutely no lift engagement unless you want to replace it again. Few days ago went to local VW centre. Undergraduate applications on this field are mostly offered in automotive engineering know-how, which might cowl the fundamental idea. It is advisable to clean the injectors every 25,000 to 30,000 miles to ensure that they do not get. When engine warms up more than 70-80 degrees, then jumping/jerking disappears. Just like car is jumping. This just started when I step on the gas, the truck responds but i feel a surging motion, and it picks up speed really slow. Hey Guys, I joined to ask if anyone else is having a problem with their 2017 3. Lately I have had some issues with the engine surging when I accelerate lightly. Best fix for engine hesitation problems on Fords- http://www. The car runs and idles a lot better then it ever has. engine surges when accelerating - 1994 Oldsmobile Cutlass Ciera. Anything that might affect the flow and pressure of the fuel system is going to result in poorer performance. The beam’s contact with Earth F67X shone like a raging quasar; a beacon for the rest of the system to observe that would likely create many more Ayanda’s for every coffin it didn’t. It doesnt happen right away, it happens when I've been in the throttle for a while. Loss of Power While Accelerating If your car looses power upon acceleration this is another telltale that your fuel pump may be malfunctioning. 7:1 for gasoline, and you’re good to go. I've been having problems with the car running. I have a 97 3. does it only surge when at normal operating temps and not when the engine is still cold?. Not enough to show on rpm put you can feel it, on/off, on/off with a rhythm to it. You can see the tach moving and hear it too. I drained the fuel system, cleaned. Each time I do one of the above actions the engine hesitates and surges causing the car to lurch. Cold stalling problems are the most common because the engine needs a richer fuel mixture to maintain idle speed until it warms up. It seems to occur the most under 30 mph and at low rpms. If it passes the tramp-the-pedal test, try accelerating through that speed range starting at slightly lower speeds and try it in different gears - confirm that initially after flooring the pedal, the boost pressure is lower than its eventual peak when below 2000 rpm, and that the peak is not reached until 2000 rpm. What causes transmission slipping or engine slipping?. It starts and runs ok. com : Car complaints, car problems and defect information. !! Motor also pings unless I run super. Rough Engine Noise. Out of 23 different cars and trucks I've owned this is probably the worsy running vehicle I have owned. Im probably making between 20 to 25 or so when it is surging the RPM's fluctuates and keeps climbing and the boost will fluctuate also as it climbs up to 25 or a little over. The engine still stumbles and backfires through the carb. However, a technician drove the car and verified what I have been experiencing. There are more than 33 items, which if faulty, that can cause engine hesitation and stumble problems. In addition to that, my car was running extremely lean, especially whan engine load is high (even with a stock ECU). rough idle,weak acceleration then surges | Find answers to your 1994 Oldsmobile Cutlass Ciera question from certified mechanics and auto experts. Feature | October 18, 2019. My 2010 Honda Accord V6 has started surging up hills lately. Im struggling to work out what is causing it though. In the summer, as many have experienced a stalling issue, it will stall mostely when in reverse and occasionally when accelerating from a stop and getting off the gas and back on the break quickly. It wont rev past 4k sometimes 3k. Something to do with the DME - whatever that is. -----Look for a plug wire that might be shorted and arcing to the metal bracket on the cowl. I have a 2006 F250 Superduty 6. Hey, I drive an e45 325i (m54 model, manual trans) and when I go to accelerate often it feels like it is lacking power I am lightly pulsing the. Let's move on- What Does A Muffler Do? A muffler is a part of the exhaust system, and it's installed onto the exhaust pipe. However, if you turn it off and let it cool down for half an hour o. The engine is running just fine whether I am accelerating, braking, or idle. When warm it's not as bad but it still does it whenever I'm driving and the surging only happens when I'm driving. 560 Lift, 216° in/220° ex duration at. It also has very bad turbo lag on take off, and when cold and at low speed if you take your foot off the throttle it won't stop accelerating for about 4 seconds, it still does it at low speeds when it is hot aswell. First PO171 is a lean mixture condition; this could be caused by a vacuum or fuel issue like a poor fuel delivery or clogged fuel infectors. It has a FMS A312 camshaft. There are more than 33 items, which if faulty, that can cause engine hesitation and stumble problems. not sure whats causing it. One more problem remains that followed me from before the swap. I have been havign this ongoing problem, but it has never annoyed me like this. I have tried fuel injection additives, had the injection system cleaned at service shops and replaced the fuel filter multiple times with very limited results. In this article, we'll discuss engine idle issues, surging and "hunting" problems. Truck surging or cutting out Heading to the warm shop to go I e pick it now and to remove the edge, I'm going to remove the edge first see what that does then I'm going to ice pick it that way if one fixes it ill know, my desired and actual even with load is right on with each other so I was kinda telling frp out. I've been working out a few bugs but a few remain. Symptoms: Under moderate to heavy throttle it sputters, pops. Lately I have noticed that my MDX surges while accelerating. Also if i push her too much to go faster too quickly it starts acting like the transmission is slipping. The check engine light indicates our vehicle computer has detected a problem. 2000 Grand Prix GT 3. Start with the vehcile on level ground, engine "OFF" in park with the emergency brake set, wear protective gloves and eye wear for safety. Just recently purchased what I thought was a solid car for my son,but it has been anything but that after about 1000 miles of driving. Toyota - Tacoma :: 2003 / 3. anyway i have a 2000 limited 4x4 85,000 miles on it having alot of problems with acceleration when i step on the gas more than a 1/4 of the way down the thing falls flat on its face doesnt matter what speed i'm traveling at or if i'm in park has been doing this for a. I was wondering what would cause the engine to surge while accelerating without - Answered by a verified Ford Mechanic. more closely at this today and it was indeed the front half of the heat shield on the front of the engine, right. If you are reading our blog, it is a good possibility that you already own a hybrid vehicle or are possibly interested in purchasing one. I am trying to tune out a hesitation in the off idle part throttle range. abs light is always on. DIAGNOSE ENGINE HESITATES WHEN ACCELERATING. 2000 mazda protege 1. Q My '01 Impala with the 3800 engine has 122,000 miles. I'm going down the road and in any gear when I give it gas it surges. The car runs and idles a lot better then it ever has. thank you for the help! they've been working on it all day and all i got so far was a call as to how much fuel was in my tank when the issue happened. 4l Engine Surging - Loosing Power When Accelerating Apr 16, 2011. i will check. My regal is surging while idleing and hesitates like it is losing power when I accelerate. Warm the engine to operating temperature. I'm going down the road and in any gear when I give it gas it surges. It has 113,000 miles on it and I know for a fact that there is something wrong with the engine. weird surging acceleration!!!help!!!! A great resource for Nissan Sentra, Infiniti G20, 200sx, Pulsar, NX1600, NX2000, Tsuru, Primera and Sunny owners. few weeks back when It was bitter cold it showed a service code P2196 & P2198 which is: engine trying to lean itself out and front O2 sensor replace. Difficulty Level - 5. Cyclic surging during acceleration? Hi, My wifes '03 Murano started surging or lunging (repeatedly, like an oscillation) fairly violently during acceleration from a stop yesterday. 2009 seat alhambra 2. It'll get up to 45 or 50mph just fine, but if you keep gassing it, it will violently lurch. This illustrates the flow of clean air and heated air which, together, act upon the automatic choke mechanism to properly position the choke plate. But it doesn't jump up quickly because of the pulsating. Prevents rough running, surging whilst cruising or hesitation whilst accelerating. To start this off, I just wanted to tell a little bit about the stock Q-jet that came on my truck (1985 C-10). And I've had this problem for a while, now it just seems worse. It surges between 2500 and 3000 rpms (aprox) when I’m accelerating and especially climbing a hill. 1985/86 Q-jets in U. Why Your Car Jerks, Lurches, or Stutters When You Accelerate. A wide variety of issues can prompt an engine surge. The 009 distributor is notorious for causing hesitation on acceleration as they don't provide the shot of advance needed for a smooth increase in engine rpm which the vacuum distributors provide. The engine looses power for a while, check engine light comes on, then problem corrects itself and check engine light goes off. How to Troubleshoot Surging Lawn Mower Engines | Hunker. Also, your car jerks when accelerating by the engine problems, so right gasoline usage for your car's engine is for better functioning. It is definitely worse under load. The surging is not violent but annoying. But, The engine seems to start fine and will normally accelerate fine. The '17 feels "heavy" when you accelerate and it feels like it doesn't want to shift while the '10 van is eager to shift and accelerate. surging during acceleration when I ,m cruing along and attempt to slightly accelerate the engine starts to surge up - Buick 2001 Century question Search Fixya Press enter to search. If any of these is lacking, the engine may stall. Anything from 2RPM getting louder the higher the RPM. Doesnt happen when. Get shopping advice from experts, friends and the community! My craftsman snow blower model no. After idling for several minutes the engine will start to surge. Recently we came across a 2005 Ford F150 with a 5. When you go to step on the gas pedal to accelerate, you will suddenly feel like the power has been lost in the engine for a couple of seconds. Page 1 of 2 - Surging when accelarating - posted in Diesel Engines (Mondeo Mk3): Hi I am a new member to Talk Ford and am hoping someone can help me with a problem with my 54 reg Mondeo TDCI 130. the engine threw a code. engine not smooth when accelerating I have just bought a 1995 M3 and I am having problems with it. 3 AFM Silverado w/66,000miles has been RPM surging while driving over the past couple weeks. It seems like the governor needs some adjustment. replaced the cap & rotor (my old. The surging is bad when the engine is cold and not at optimum running temperature. A few days ago I took off fast and the car started surging when I accelerated. Trucks built before 1-17-05 that exhibit buck/jerk, hesitation, lack of power, stalling, stumble, black smoke, surging, rolling idle, changes in engine sound at idle or when driving at a steady speed, or with the trouble codes P2263 or P0299, may have an exhaust backpressure sensor signal that is incorrect or erratic. It seems to happen when accelerating briskly from low speed or a stop (maybe 1/2 - 3/4 throttle). Lately I have had some issues with the engine surging when I accelerate lightly. Hesitation Definition - An engine hesitation is an interruption of continuous power during acceleration. It seemed that my engine was "knocking", and the ECU was compensating, hence the flat spots. Had it about 2 mos when it started surging at mid acceleration around 27 mph and 58 mph, it lurches and then and has a raspy snarly tone to the exhaust and then stutters until I decelerate and then you can here it go back to normal. It doesnt happen right away, it happens when I've been in the throttle for a while. Also if i push her too much to go faster too quickly it starts acting like the transmission is slipping. Over $50k for the truck, it's upsetting. This surging continues until you let off the gas pedal. I would like to tame this surge down. If this happens after accelerating from a stop, then the change in airflow over the radiator is also a factor, since the fan probably isn't on at 205. 8 billion for the trailing 12 months is beyond impressive, what’s downright scary is that Satya Nadella’s cloud business is growing at a stunning 58%–and the enterprise cloud hasn’t even begun to reach the fat part of the market. Upon trying to accelerate, the engine hesitated then stalled. First let me say one thing. When accelerating, the truck seems like it's starving for fuel as it "surges" or wont accelerate very smooth. 6) Problems Switching Gears. It will throw the check engine light. The 2006 Honda Accord has 6 problems reported for hesitates and stutters when accelerating. I've been able to recreate the issue on city streets as well and I find that it always happens when accelerating quickly (pedal to the floor) from around 30mph. It has a serious idle surge problem. The truck has 176k miles and already has a bad sending unit cuz the gague sometimes does not read. However, if you feel it is abnormal, check if there is an item jingling around in your glove box. it happens in 1st, 2nd, and 3rd gear. all the time. As soon as I ease off the accelerator, it stops. 5 i could be just criusing along the road/hiway and the engine will sometimes just start this surging up and down like maybe 500 rpms could be with cuise on or off. Lets say 70 mph, but will happen at any speed when the engine gets to 2000 rpms. And then recently I was leaving town and Accelerated up and it set the cruise control and all the sudden I lost. It seems like the governor needs some adjustment. Surging at light throttle/cruise is usually an indicator that the engine is running lean. Seems the faulty coil was the fault to start with and then the engine bay clean/water in plugs then compounded this issue and caused all sorts of fun. This is a dangerous situation, as it will be difficult to drive your vehicle. Would the fuel. This started about 2 months ago. Upon trying to accelerate, the engine hesitated then stalled. Yuo could see the governor working back and forth in rhythym with the engine surging We connected to the panel with the choke open and the genny surging and it outputted steady 240 volts but you could see lights in the house dim in rhythym with the genny surging noise. The rpm fluctuates up and down and I do feel vibrations as it does that. This just started when I step on the gas, the truck responds but i feel a surging motion, and it picks up speed really slow. Your point about the electrical parts is a good one (and I will do a primary and secondary check of the coils today), but with regard to the restricted fuel, if that were the case, the higher the demand for fuel, the worse the surge would be, until at some point, the fuel delivery could not match the engine's need for fuel, and the engine would literally starve for fuel. Ive been dealing with this sputtering misfiring for a very long time, I dont even remember what my truck used to run like. Easy step by step guide on how to repair an automotive engine that is surging, this information pertains to most vehicles and is listed in the order of popularity. I have been having trouble with my 95 Mustang. 050" lift, 114 LSA) with valve springs to match. 2000 Grand Prix GT 3. I have a 2015 3. It feels like it wants to go faster for a second then it backs off and so on. Engine starts, then dies within a few seconds. My car engine hesitates when I accelerate! by zilog357 · Published July 9, 2010 · Updated February 18, 2019 S ometimes we experience an annoying hesitation or stalling when we are cruising in our cars and decide to accelerate either slightly or harder. I noticed it again even after that but nowhere. A car sputters when accelerating due to the fact air and fuel is not being properly mixed, therefore, forcing the car to run on unburned fuel. Hi, My 08 3. From cold when pulling away the engine kind of surges in a pulsating many as one goes through the gears up to speed. 01-02-11 11:41 AM - Post# 2025792 In response to strictlygm To run well without EGR you need a custom chip/tune. If I am cruising at, say 40, and try to accelerate, there is just a puff of black smoke as it attempts to accelerate, but the truck just surges. Yuo could see the governor working back and forth in rhythym with the engine surging We connected to the panel with the choke open and the genny surging and it outputted steady 240 volts but you could see lights in the house dim in rhythym with the genny surging noise. When I hit 40-45, the truck has this surging or pulsing vibration, only when I'm accelerating. they mentioned something about "fuel cavitation" and told me thanks for the. The engine surges bad enough to shake the entire bus. 2000 SE Surging/accelerating It wants to take off at a high rate of speed. At higher rpm's my engine tends to lose more power. If you give it hefty throttle, more than an average acceleration, then it is not evident. brought the truck in last week, described the problem, they drove it & confirmed my description: could make it surge & chug at will - especially during hard acceleration. My 2010 Honda Accord V6 has started surging up hills lately. Audi 4000 / Coupe GT Discussion - Surging/bucking under hard acceleration - Car: 87 Audi 4000 CS Q ~300,000 miles (but only ~1500 miles on this new, factory crated/sealed engine that I have been hording for 13 years) Symptoms: - The car runs and idols fine in most circumstances. The beam’s contact with Earth F67X shone like a raging quasar; a beacon for the rest of the system to observe that would likely create many more Ayanda’s for every coffin it didn’t. 1L V6 with 140k miles to my girlfriend to replace her problematic '95 Eagle Vision. Today, her second day driving it. Vacuum hose and fuel filter cleaned. We're not talking about a knocking engine or one that idles rough or stalls. We took it out and he hooked up his meter while it was running and said gas flow was good and electrical seemed ok and he would have go and study up on. However, it has its issues. Page 1 of 4 - Uneven Power When Accelerating Mk4 Diesel 140 - posted in Diesel Engines (Mk4 Mondeo): Hi all, I'm only new here as I've just purchased my first Ford. For the last couple of weeks I have been experiencing a problem anytime that I try to accelerate quickly or if I am climbing a hill and push in on the accelerator. I shut it off and restarted it a few minutes later and it then ran at the correct rpm but only for 15 seconds before surging. Your car’s engine needs both fuel and air to do its work. To help understand why your automatic transmission is shifting hard when accelerating, we would recommend looking through Jalopnik’s in-depth article about automatic transmissions specifically, the section on planetary gear sets. This is due to the time needed for the exhaust system and turbocharger to generate the required boost which can also be. The only time I really noticed it, was when I was climbing any uphill grade. When accelerating, the truck seems like it's starving for fuel as it "surges" or wont accelerate very smooth. Engine Surging/Bucking/Hot manifold once warm was created by thefergusons Hi all, new to the forum, been watching erics videos for ages now, decided to join up as I have nearly run out of ideas for our car. We're talking about engines that start easily and accelerate smoothly, but then, after a few minutes at a steady speed, either surge in speed or misfire, causing the car to "buck. November 1st, 2013 at 6:59 pm. After start-up, and after it reached operating temperature, the engine started surging. Start with the vehcile on level ground, engine "OFF" in park with the emergency brake set, wear protective gloves and eye wear for safety. I thought it was the tire so I bought a new one and had the car aligned. I'm going down the road and in any gear when I give it gas it surges. Maybe the thermostat sticks open, but maybe it's nothing at all. For the last two months, it has began to surge rhythmically at about one-second intervals when accelerating from a stop sign or to maintain. The last thing you want is for your vehicle to take its own sweet time accelerating, or to give out. My 2010 Honda Accord V6 has started surging up hills lately. 2100 Identification. If unfiltered air is allowed into the engine, it can damage the vehicle's mass airflow (MAF) sensor. Average failure mileage is 88,400 miles. To start this off, I just wanted to tell a little bit about the stock Q-jet that came on my truck (1985 C-10). About 6 weeks ago my wife and I noticed that while applying moderate throttle, as you would to pass or merge on a highway, that the car begins bucking/surging, feels like. Symptoms of Failing or Broken Fuel Injectors. Have you picked up the car from the dealer already, JessC? If not, take them for a ride, try to reproduce the complaint. Surges during acceleration are usually caused by a fault in the car's fuel management system. 0 with 85,000 miles on it. ) No spark; spark weak: Battery voltage low Spark plug dirty, broken, or maladjusted Spark plug cap or high tension wiring trouble. I replaced ecu, igniter, MAF, spark plug wires, and even fed it some sea foam and i'm still getting no results. more closely at this today and it was indeed the front half of the heat shield on the front of the engine, right. 2 that having problems. Dodge Caravan - Engine stutter/jerk while accelerating - 1995 Grand Caravan, 3. Why would the engine be fine in neutral, first and second gear if there was a restriction in the exhaust?. uses engine braking to help control vehicle speed when descending hills. similar problem perhaps I have a [perhaps] similar issue with my 300s. com Lawn mower surging results from continual accelerating and decelerating of engine revolutions. the engine threw a code. OK, engine mount fixed this morning (local shop did it for $169 vs $400 at dealer!), and RPM surging issue / slipping feeling issue still occurring. 4l 4 cylinder. I have been having trouble with my 95 Mustang. On my 76 Lincoln Mark IV, when the car is coasting or accelerating, the engine seems to have a bunch of small surges, and my acceleration seems to be worse than it used to be. 2 that having problems. This is a low mileage build. A buddy of mine has a 1997 Ford F150 with the 4. When I accelerate more aggressively or faster out of a stop I do not experience the surging as much. lately, the engine has been surging while at an idle. When already at speed, under acceleration it would refuse to go. Why Your Car Jerks, Lurches, or Stutters When You Accelerate. I was hauling hay on a fifth wheel trailer and my '06 F350 started jumping again. The only time I really noticed it, was when I was climbing any uphill grade. 2L V6 engine. Ryan's blue metro 1. 1985/86 Q-jets in U. Post Reply. It will occasionally drive great with no problems but other times it surges while accelerating and driving down the road. reading online.