Subaru Sputtering During Acceleration

Car sputters during startup Ok so a 2nd car a 2002 Volvo with 72k miles on it, I've used Techron Fuel additive. replaced fuel pump. Subaru Forester owners have reported 124 problems related to power train (under the power train category). Have a MT and notice it mostly when in traffic but also when accelerating at highway speeds. 20000 on them with new cap and button with the same mileage any idea?. You can diagnose your car problem one by one if it always hesitates. If the coil pack was bad, wouldn't I have misfiring on both cylinders that the coil pack serves? Any ideas?. anyway about two weeks ago i put a new head on it as the old one was cracked and warpedd due to overheating. What can cause the acceleration to jump/sputter a bit? Discussion in '3rd Gen 4Runners (1996-2002)' started by djrines023, Jun 15, 2015. My 2001 Ford Ranger is having trouble accelerating when I press the gas pedal aggressively to pass on the freeway. During acceleration above 15% throttle, sometimes in first and second and definitely in third-fifth, I get sputtering followed by backfiring. Show example Subaru Outback Engine hesitates during acceleration Inspection prices 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. Subaru: sputtering. Since then, it has become worse, and now there is the additional symptom of a STRONG fuel odor. It's a 95, 4x4, 2dr, 5. I am having an issue with the car bogging at times on acceleration (with air ON) and the idle seems to fluctuate drastically (from normal idle to about 500 RPM). Click here to select a support plan. It doesn't die, just cuts out during acceleration. Well its me again after probably a couple years problem free. Trust me everyone on the highway was letting me know as i was trying to get to speed to get home. 0 If a car is sputtering when you try to accelerate, this indicates that it is time for a tune-up. it is located just past the airfilter going towards the engine in the same air duct maybey 6 or 8 inches away. But in general my 6MT now accelerates all the way as it is supposed to without hiccups and hesitation. • A voltage is applied between them so that the target is the cathode and the substrate is attached to the anode. Many people might even suggest that there is a tune issue but I wouldnt think so because it ran fine the day before with out you doing anything. Engine misfiring or stumbling is a sign that your car is not getting enough power from the engine during acceleration. Ok, I am at 137k now and around 122k I started getting a slight hesitation when I hit about 4,000 rpms. This has not happened before. yes that is the right track also have them check to see if your mass air flow sensor is bad. Mine is doing the shimmy/shake during acceleration between 50-60mph. RE: Rough idle and sputter IP: Logged Message: I'm having rough idle and it feels like it hesitates a little during acceleration. Subaru Outback Vibration or Shudder on Acceleration - 273 reports. It's a 95, 4x4, 2dr, 5. Below is the list of possible causes of car hesitation. These motors are designed and tuned to operate within a relatively narrow temperature range. The Crosstrek Hybrid is a value that gets better with every mile. It still cuts out mainly during acceleration and when its cold. I just need a little help. about a week ago my 4runner had a spuddering problem w Backfire/Studder under acceleration - Toyota 4Runner Forum - Largest 4Runner Forum. In 1958 came Subaru’s next car, the Subaru 360, their first mass production car that marked the birth of the company as a manufacturer of mass-produced vehicles. Tao Tao 150cc Suddenly Bogging Down, Sputtering, Help!? by: jasong - May 28, My acceleration still isn't 100% but I think it will clear up with proper adjustments. All this also points out the need for correct float setting. 0 V6 OHV equipped Ranger for 10 years now and am very surprised at how little info there is on the net for this engine/vehicle combination. When accelerating in gears 3-5, the engine seems to sputter, as well, I can see the boost levels dipping while this is happening. During acceleration it will cut out/jerk around and lose power. With a full tank it only happens after third gear but only when I'm driving normally. it is located just past the airfilter going towards the engine in the same air duct maybey 6 or 8 inches away. 2L) Front WD 194,000 miles Problem: Engine starts to sputter after warming up. This occurs mostly when accelerating up an on-ramp to the highway, but from time to time when cruising (40-70mph). sputtering under acceleration All of a sudden, when lightly accelerating from 1000rpm to 2000, it sputters real bad. When I go to drive my car when taking off it accelerates then kid of sputters with the check engine light starts flashing and it loses acceleration. Hi! First post here, so here we go I have a 2013 Escape 1. I own a 2000 S70 AWD, and over the last few months, I notice random chugging / sputtering when I am driving. Swap an o2 sensor with a buddy if you can since they are expensive. I'm not sure if this issue is related or not. I do see you are reaching out to the community before you get a whole tune up done on the vehicle. I have a 2000 jimmy that spits and sputters during moderate to hard acceleration always at 2700-3000rpm, after that it takes off and pulls hard. If its sputtering like that commonly it is the front (primary) o2 sensor that has taken a crap or has a damaged wire. government has opened up an investigation into F-150s that rely on the EcoBoost V-6 engine for motivation, as some have been reported to lose power. Fuel injector nozzles can become clogged over time, which can lead to a sputtering engine, slow acceleration and the car not having enough power. If it's sputtering you should likely be getting a check engine light. Basically I left a toll booth at a reasonable rate then floored it to pass a tractor trailer before the lanes reduced. During a turn many drivers tend to reduce the pressure on the gas pedal. perhaps it is normal, and i did not let the engine warm up enough. SOURCE: misses during acceleration , rough. Anyway I don't know much but I'm mechanically inclined, I have tools and Id like to try to fix Myself. Car is stock, I bought it about 4 weeks ago. car can run great for 15 minutes at a time or 2 minutes without sputtering. Dodge Dakota Forum for Dodge Dakota trucks with an interactive site including Dodge Dakota Forums, Pictures, Links, Message Boards, and Chat Forum. dealer states that there are numerous vehicles which have the same problem. It happens at all throttle positions aside from closed or nearly closed, it tends to happen at higher engine and higher road speeds. from everyone above. Hello, I have a 1998 subaru legacy gt wagon 2. This does not occur always, but about 99% of the time. Acceleration Hesitation I have a quick question regarding our 2004 XC90 2. just happened the first time this morning. My 1996 LS400 has also started to constantly sputter. My car suddenly started to sputter at idle and during acceleration. My subaru legacy 2001 has check engine light on for sometime now. Have the actuators checked, I have never experienced that when accelerating with my c15 after it has gotten up to operating temp but have had similar problems on hard pulls. Slow to 40 or 50 and have to work thru the sputtering to get up to speed again. Now it's in every gear but 1st. The engine sputters and I can feel the hesitation in the pedal. Lately I have noticed that the engine hesitates when I try to accelerate. I have a 2002 dodge caravan sport with the 3. 7, 6speed, 4x4. I'm having a problem Identify the cause of a rather annoying and potentially dangerous problem. I replaced the spark plugs with correctly gapped nkg's, and replaced all the coils. anyway about two weeks ago i put a new head on it as the old one was cracked and warpedd due to overheating. Squealing/Rattling noise During Acceleration Discussion in ' Gen 3 Prius Care, Maintenance & Troubleshooting ' started by 13Prius3 , May 21, 2013. That jumpiness is somewhat of a Subaru trademark, and in other models hides the overall. Also please check out the statistics and reliability analysis of Subaru Forester based on all problems reported for the Forester. 1995 Club Car - Hesitation and Sputtering during acceleration December 28, 2012, 02:34 PM I have a 1995 Club Car that has started to hesitate/sputter when accelerating. backfire and sputtering during acceleration I have a 2012 STi and my issue is this, under acceleration (doesn't matter if it WOT or just feathering the throttle) my car will sputter and backfire. 10-17-05 : I have an 88 Ford Ranger that keeps sputtering or missing, It just had a tune up and a new fuel filter, plugs, points, rotor and cap, thermostat and o2 sencor, the mechanic suggested that I use an injector cleaner called sea foam, and that. Sounds like a bad distributor to me. Post Reply. Are they giving me a. So check those parts and systems described in this post for the common causes to help you fix the problem faster. RE: Rough idle and sputter IP: Logged Message: I'm having rough idle and it feels like it hesitates a little during acceleration. My 03 XS had a momentary hiccup (hesitation) just as you let the clutch out when taking off from standing start, so 2 weeks ago I added some Morey's Upper Cylinder Lubricant to a full tank of fuel and ran it down to 1/4 of a tank, the hesitation had disappeared after just 2 days of running around town and has not returned yet and that was about 3 weeks ago. Drove the jeep the rest of the evening on the interstate for about 50 miles and no more. But the fuel level sender was occasionally wacky. 3 v8 Silverado. Hesitation during acceleration at high R. I have a 2011 Cruze LTZ RS with the 1. When you are accelerating and your vehicle is sputtering, it is usually a misfire in the engine. after i get up to speed its fine but - Answered by a verified Subaru Mechanic We use cookies to give you the best possible experience on our website. I recently changed the fuel filter and my problems went away for almost a week. Sputter problem will come and go but car is usually ALWAYS sputtering & rumbling with low power and poor acceleration. CarComplaints. reassembled, now my problem is on the mid-range acceleration, but problem fixed on high throttle. In addition to that the acceleration decided to go south. Changed both o2 sensors ( I had a check engine light) 2. Over the weekend I put a new set of NGK spark plugs and brand new coil pack. Can anyone give me any idea as to what could be the problem? I've changed the battery after not starting in the morning and starts just fine. Can twist throttle while idling and it revs up fine. 88 Subaru Justy (1. The brake fluid used in these vehicles may contain excess moisture which may adversely affect the performance of the electronic stability control system. with the 420, I ended changing the fuel distributor because it was idling rough, but now it only has this acceleration problem. Doesn't do too much for my confidence! Somehow this problem never occurred during the (fairly long) test drive, but started to happen 2-3 hours after I took possession. last week I took my 2001 SR5-TRD to the wash-rack to degrease the engine bay. Recall Alert: Ford F-150 EcoBoost Engine Under Investigation for Losing Power During Acceleration. Are they giving me a. To the topic, on my auto I've unintentionally downshifted during acceleration due to my weight carrying me backwards. Put a load on it [like ride out of the driveway and up the street] and it sputters right away. Other than that Id scan the codes like @Chris said. So while driving, it seems that the vibration comes from the steering wheel but also (to a lesser extrent) the seat as well. As for the sputtering, yes a clogged catalytic converter could cause your issue, but my first check would be fouled plugs and faulty wires. Well, I have been having the same problems that many of us on here are having with an iradic idle, hesitation under load, and sputtering up to like 3000 rpm. The car has nearly 220k miles on it,. If this isn't working properly this will cause your engine to lag or even sputter. Durring light acceleration and at low speeds (city driving 35 mph or so) the truck seeems to run fine. What causes sputtering on acceleration? When you are accelerating and your vehicle is sputtering, it is usually a misfire in the engine. Here recently it began having the same feeling as if the transmission was slipping some under acceleration, but my engine rpms actually correspond to the lack of power (almost like it is misfiring). Re: 1977 70hp johnson seahorse stalls during acceleration Make sure the engine is running on all 3 cyls. and during that time, Kelley Blue Book’s trusty long-term 2019 Subaru Ascent. Car is stock, I bought it about 4 weeks ago. Probably 1,000 miles over 7 months. The dodge dealer is telling me they are just cold natured and its going to idle rough. Then about two weeks later, it starts acting all wierd like it starved of fuel or something. I'm not sure if this issue is related or not. CarComplaints. Afterwards it ran like a champ. Turns out it is a broken motor mount. This occurs mostly when accelerating up an on-ramp to the highway, but from time to time when cruising (40-70mph). Don't think its that common on Wranglers though. - During acceleration, the scar sputters (as if water were in the gas or something) - If while driving at a high speed (say 60 MPH), I let the RPMs fall to 2K, the car sputters exactly as it does during acceleration - The exhaust/catalytic converter area doesn't smell quite right. I have a 2000 jimmy that spits and sputters during moderate to hard acceleration always at 2700-3000rpm, after that it takes off and pulls hard. It almost seems like a fuel filter thing to me. Get reliability information for the 2015 Subaru Legacy from Consumer Reports, which combines extensive survey data and expert technical knowledge. But in general my 6MT now accelerates all the way as it is supposed to without hiccups and hesitation. The Outback Limited was a great place to spend time even during my commute— where I spend about 66 percent of my time in slow L. This is noticeable when the revs are getting high and the. My Jeep Wrangler Bogging, sputtering and losing acceleration Also when this problem happens, there is an exaust/ gas like smell that is really noticable. all of them a. ***About 6 months ago the car was experiencing a loss of power and wouldnt accelerate when I pressed the gas. When you are accelerating and your vehicle is sputtering, it is usually a misfire in the engine. However, on engines two liters and under, a restriction such as the Impco J1-20 (1/16" I. the check engine light is…. During acceleration, the engine momentarily drops out of closed loop and receives a richer fuel mixture for more power. I took my car to the shop, and this is what was done. It may cough, sputter and not accelerate properly. Subaru Ascent Complaints, Issues And Problems we have only had our 2020 Subaru Ascent for 28 days and had to take it to Dealership as the car needed to be boosted twice over the weekend and otherwise was very hard to start they have checked it out and said the ABS is pulling a large amount of juice of the battery when the car is turned. ive taken it in 4 times now, first was the recall, it seemed to stop for a day then started running bad again. It idles great and runs totally fine at any RPM, but if the engine gets under too much load, like accelerating or maintaining speed up a hill, it starts stuttering and cutting in and out. The Crosstrek Hybrid is a value that gets better with every mile. The dodge dealer is telling me they are just cold natured and its going to idle rough. It's easy to find a good driving position with the. That and you just need a big-a socket for the axle nut and time and patience to get the hub off. Do you use 87 or 89 octane gasoline? I found when I tried a few tanks of 87 that my acceleration, especially when already "at speed" was terrible. Sputter problem will come and go but car is usually ALWAYS sputtering & rumbling with low power and poor acceleration. anyway about two weeks ago i put a new head on it as the old one was cracked and warpedd due to overheating. Symmetrical Drivetrain: Subaru’s balance and control comes from its low centre of gravity and near perfect symmetrical layout. Pull it (when the car is cool, obviously ), if it has white residue on the end of the sensor, replace it. I'm not sure if this issue is related or not. Basically I left a toll booth at a reasonable rate then floored it to pass a tractor trailer before the lanes reduced. I know this is a broad and common question but Im at a loss. 4L Turbo w/ 64K miles. Well, I have been having the same problems that many of us on here are having with an iradic idle, hesitation under load, and sputtering up to like 3000 rpm. Look at interior and. I have a '97 Q45 with 196K miles. It is not a sporty vehicle, the acceleration is kind of slow. After the war, the company turned its attention to automobiles and in 1954 the Subaru 1500 (also known as the P-1) was. Hey Guys, My 1. A symmetrical layout means an innate sense of balance is built in from the ground up - it has fewer parts and does not need a side transfer case like some non-symmetrical four wheel drivetrains. when the car is cold and I put the engine under load, it will hesitate and the exhaust will pop. 8 liter automatic. Many thanks everyone. Then as you press. The body frame was extended front and rear, with a Y-shaped structure used at the front to ensure safety during a frontal collision. but still does it when at operating temp. it can happen during hard or soft accelration. Jump to Latest Follow 1 - 19 of 19 Posts it sputters like there is air in the gas or likes its fluttering. emission light on,engine sputters during acceleration. Took it to the local Subaru and she described the problem to the service writer. Now temperature is normal but the car bucks from a stop and durins acceleration. engine sputters under acceleration I've been having trouble with the engine sputtering when i step on the gas. Regular maintenance is the key to minimizing the chance of various issues. The issue goes away for about 2 days and return to sputtering again during highway acceleration. Subaru of America, Inc. ) I've been driving a 4. Have recently developed some engine sputter and hesitation during acceleration, mostly from a stop. I bought it 8 yrs ago with 76K. The only major part that has been replaced is the alternator, which was recalled and taken care of with the previous owner. A symmetrical layout means an innate sense of balance is built in from the ground up - it has fewer parts and does not need a side transfer case like some non-symmetrical four wheel drivetrains. The whole car jerks, sometimes really noticeable, other times its very subtle. My dad has a 2007 3500 with a 6. Our XC90 has 72,500 miles on it and it seems to have a good amount of hesitation when accelerating under any load at all. It sputters and tugs when it shifts in to 2nd or 3rd gear. Blast off the big junk with compressed air (gently) and then soak in white vinegar for several hours. RE: Rough idle and sputter IP: Logged Message: I'm having rough idle and it feels like it hesitates a little during acceleration. Basically, any time you accelerate when the car is at a very low RPM (idle?), there is a rattle that lasts about 1-3 seconds and then quickly subsides. i thought maybe it was bad gas but i filled up again and its still there. I bet that's what it is because i had the exact same problem. As for the sputtering, yes a clogged catalytic converter could cause your issue, but my first check would be fouled plugs and faulty wires. If you are taking off from a stop, and turning, and reduce the pressure on the gas pedal, the car might be anticipating that you are about to brake. To a non-mechanic, it feels like the fuel supply is sputtering. My subaru is sputtering during acceleration and the check engine light flashes. In the forum you will find an informative tech area, a place for Member's journals, Vendors with special Members pricing, and monthly contests. If it's sputtering you should likely be getting a check engine light. (2) I have NOT been able to find the banjo bolt on the V6 3. One Problem is still getting to me and i have been searching for the last week with no real direction to go. Check out new 2019 Subaru WRX Sedan test drive review. 3L v-6 the problem im having is when the engine is running in park or a red light the engine misses, sputters and hesitates it seems to be worse whenever i turn on the a/c or heat and when accelerating it sometimes backfires out of the intake area. anyway about two weeks ago i put a new head on it as the old one was cracked and warpedd due to overheating. A full model change was released in 1994, the first in its 11 year history. The most recently reported issues are listed below. When taking off, the engine sputters through each gear change. In a way when VSA is off it reminds me of my previous 2007 Accord. Vader hesitation during acceleration Street. The weather has become quite a bit cooler. Put a load on it [like ride out of the driveway and up the street] and it sputters right away. reserves the right to make changes at any time without notice or obligation to the information contained on this Internet site, prices, incentive programs, specifications, equipment, colors, materials, product illustrations and to change or discontinue models. 4L fuel system in order to test my fuel pressure. Engine smooth at idle rough at acceleration was created by LeoTheLion89 with my daewoo i have noticed 2 things 1 the engine is smooth as it is idle but runs rough once i give it gas 2 It will run smooth at idle until it warms up then it will run rough at idle and MORE rough at acceleration. To a non-mechanic, it feels like the fuel supply is sputtering. It seems to happen if I stomp it. I have a '97 Q45 with 196K miles. I caught on to this site cause I'm having problemsI have had problems with the idle idle jumping between 500&1500 and I had a friend look at it and he adjusted it but it still was never quite right, but now recently I have a rough idle and also when driving it feels like its only on three cylinders, then seems like all of a sudden the engine will snap out of it and run smoothly only to. Have recently developed some engine sputter and hesitation during acceleration, mostly from a stop. 8T Jetta 5 Speed (90K) has been acting up lately- While shifting gears I am noticing a type of studder before it allows me to accelerate. Subaru opts for a front MacPherson strut suspension with new rebound springs to help limit roll and nose dive during hard braking on this stiff new platform. Car: 2008 Maxima SL KM: 92,000 Problem: After starting the engine on a normal day, the engine is relatively quiet and RPM is stable around 1000. However, when accelerating to highway speeds you notice that the truck will intermitantly jerk. sure enough when pulled was ready for a change and earlier than the big blue oval recommended duration. The 2019 Subaru Outback crossover SUV has a Manufacturer's Suggested Retail Price (MSRP) starting at $27,320 for a base 2. Once started, a lawnmower typically keeps running until you power it off. Not just because it's a hybrid; but because it's a Subaru — 97% of Subaru vehicles sold in the last 10 years are still on the road today and Subaru is Kelley Blue Book's Most Trusted Brand for five years running. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 3. Loading Unsubscribe from proclaimliberty2000?. When in neutral, engine will shake with the RPMs between 1000 & 1500. If your car engine hesitates during acceleration, do not wait to diagnose the problem. If the coil pack was bad, wouldn't I have misfiring on both cylinders that the coil pack serves? Any ideas?. I have a 97 3. com (or Ford 4L or Ford 4. Here we go again. Go buy a cheap little inline spark tester they're like $5 at the auto parts store. engine sputters under acceleration I've been having trouble with the engine sputtering when i step on the gas. At Edmunds we drive every car we review, performing. It doesn't matter if its cold or up to temp. the only things i can think of left in the fuel system that are not new is the tank and fuel lines. When starting off in first gear and starting to accelerate the bike loses power/hesitates temporarily like it's not getting fuel for about a second. What can cause the acceleration to jump/sputter a bit? Discussion in '3rd Gen 4Runners (1996-2002)' started by djrines023, Jun 15, 2015. Subaru Forester owners have reported 124 problems related to power train (under the power train category). Any similar experiences would be appreciated. My 1999 Subaru Legacy 2. 3 v8 Silverado. Well, I have been having the same problems that many of us on here are having with an iradic idle, hesitation under load, and sputtering up to like 3000 rpm. I have a 1999 Yukon Denali with a 5. Now I am coming to believe it’s the injectors. Symmetrical Drivetrain: Subaru’s balance and control comes from its low centre of gravity and near perfect symmetrical layout. it is located just past the airfilter going towards the engine in the same air duct maybey 6 or 8 inches away. Many thanks everyone. Problem started out of no where hesitation, sputtering and rough like mild clogging and progressively getting worse. 10-11-2013, 11:06 AM Subaru BRZ Forum. 98 Honda Civic HX - Sputters when accelerating. The 2010 Subaru Outback has 8 problems reported for hesitating, stalling. Took it to the local Subaru and she described the problem to the service writer. Put a load on it [like ride out of the driveway and up the street] and it sputters right away. Question VTX 1300R sputtering hesitation during light load. If I take let off the gas pedal while accelerating, sputtering seems to dissipate for those few seconds until I need to push on the gas pedal again. This is extremely annoying and embarrassing for it is noticeable by passengers. NO CHECK ENGINE LIGHT AT ALL DURING THIS TIME STILL. 2011 Subaru Legacy The 2011 Subaru Legacy is the perfect A to B car. at 2700 it pops and surges almost like the timing was off or as if it had a cloged fuel filter(its been replaced last week no change). If it's sputtering you should likely be getting a check engine light. So I changed the thermostat (fun!). about a week ago my 4runner had a spuddering problem w Backfire/Studder under acceleration - Toyota 4Runner Forum - Largest 4Runner Forum. For those who dont know, I have an '02 WRX wagon. This only happens when its cold. It's more of cringe or gag, or sputter as I press the accelerator down, most often felt when I'm going uphill or particularly when I'm on an interchange ramp. OK guys maybe you can help me out, my 95 Camaro 3. For those who dont know, I have an '02 WRX wagon. 10-11-2013, 11:06 AM Subaru BRZ Forum. When it first started, about 3 weeks ago, it was only in 3rd gear under medium acceleration. 2L) Front WD 194,000 miles Problem: Engine starts to sputter after warming up. If I creep up on those high rpms it's fine. It in intermittent and I just thought I got some bad gas. Once started, a lawnmower typically keeps running until you power it off. Everytime the engine is under load the truck sputters. i pulled the codes today and came up with 565, 314, and 311. I believe separate in tank fuel pumps, fresh gas is a good idea, if running better on front tank, rear tank pump could be weak, bad gas/filter,etc. if you know someone that knows what the mass air. This is a new car to me, it is a 2002 WRX with 266000 kms. I seem to experience a sputter when I accelerate heavily. Need help with intermittent engine sputter and loss of power My 1986 fuel-injected 5. The car cuts out when you givve it full throttle and hard acceleration, meaning when you take off put it all the way to the floor you feel it sputter and you see the tach drop off and bounce back and forth while the gets gas, cuts out gets gas, and it cycles like that till about 5K rpms and it will do it worse in 1st through 3rd but in 5th and. It's a sensor that retards the timing when it senses a heavy knock from the engine. A misfire can lead to a fuel-rich exhaust entering the cat converter, which could be the cause of the sulphur smell. I try to take it out once a week for about 15-20 mile drive. just happened the first time this morning. It gets better after it warms up. yes that is the right track also have them check to see if your mass air flow sensor is bad. Engine Hesitates, Stumbles, Lacks Normal Power The computer uses this information to determine how much fuel is needed to maintain the correct air/fuel mixture, and when extra fuel is needed if the throttle suddenly opens wide. Hey Guys, My 1. Subaru of America, Inc. During this time (depending on the system), the Airflow Sensor and the TPS sensor play critical roles in controlling the fuel mixture. Things were looking up: I replaced the spark plug, cleaned out the exhaust, adjusted the idle / fuel screws, and even replaced the brakes (I can stop now!). This is not a conscious decision but happens with everyone. Most noticeable during rush hour traffic. Use of the SV start assist valve for priming during cranking is helpful. At Edmunds we drive every car we review, performing. If your fuel mixture has too little or too much fuel or air, your Impala's engine will not run properly. Are they giving me a. I've been getting a noticeable surge/hesitation on acceleration once in a while. I know this is a broad and common question but Im at a loss. The check engine light ("malfuntion indicator light") is on and the EPC Electronic Power Control light also. now they're back. I drove it home and it started sputtering during acceleration, and stops sputtering once I reached my cruising speed. Even very hard acceleration from a stop won't usually cause it until I've managed to reach 55 MPH or so (which takes a while in an old truck with a 110 HP motor). ++ on cel codes being diagnosed. It's more of cringe or gag, or sputter as I press the accelerator down, most often felt when I'm going uphill or particularly when I'm on an interchange ramp. Either way, every acceleration before this incident was absolutely smooth with no bucking at all regardless of where i began to accelerate. Why Does My Car Sputter When I Hit the Gas? Credit: epSos. If this isn't working properly this will cause your engine to lag or even sputter. It in intermittent and I just thought I got some bad gas. Sputtering during acceleration is almost always cured by plugs and wires. government has opened up an investigation into F-150s that rely on the EcoBoost V-6 engine for motivation, as some have been reported to lose power. On one occasion the sputtering was comple. Hesitation or low power at slow acceleration. If any of these ingredients is. yes that is the right track also have them check to see if your mass air flow sensor is bad. The check engine light did come on a couple of times during the event, but did not stay on and stayed off after the issue cleared up.