We haven't driven it much, I want to get this resolved first. I've been through the basic checks & troubleshooting threads. It can drop down to I think the upper 40's under heavy load / high rpm. Missing under load @ low RPM's;. Q: I have an 88 mustang with a new cam, springs, coil, distributer, fuel pump, spark plugs, wires, timing chain and I'm having a sputter problem if I go over 3500 rpm and if I keep pushing it it will backfire. rotor to cap, pick-up to relucktor. View Full Version : Mustang Problem Diagnosis. By uploading an image, you agree to give LMR. The Mustang is an Iconic muscle car, but one. At take off, no response to throttle twist, then will almost take off right out from under me. Post by papa tiger » Tue Jul 17, 2012 11:23 pm. " This is the second post where instead of adding something positive to the conversation I have been the one who has been challenged/flamed by the next poster. have swapped out coil and seems to be getting 12v 2. I took it to the Chrysler dealership and they replaced the cam and crank sensors and gave it a clean bill of health. In order to be able to post messages on the Vintage Mustang Forums forums, you must first register. 1966 Mustangs - One of Ford's Most Popular Classic Mustangs. 0 V6 Sputters, Bucks/hiccups, when Cruising at around 40-45 mph. i have got the car put on the computer and it showed replace mass air so i did and still problems, put a new tps in. I cut for about an hour this afternoon and it started sputtering again. P0441 is an evaporative emissions failure. If that's not the problem replace the coil pack that sits. #70-1074 05-10 FORD MUSTANG SHORT TUBE HEADERS NOTE: Before beginning installation, be sure that vehicle is firmly supported by jack stands or ramps of sufficient load capacity for the weight of the vehicle. My supercharge Exige is sputtering under load, on 1st and 2nd gear around 6k RPM, 3rd around 5. C Motors, Phase Angle Motor, All types of Temperature controllers. Most misfires under load are caused by a problem in the ignition system. Engine is breaking down under load, 347 stroker was run on engine dyno 7mths ago no worries, seems to free rev ok go for a drive and no joy 1. Let me just start from the beginning. DoubleDub; Visitor All great advice. Ok, first you say "under boost the car is sputtering". Full throttle or above 2k seems fine. Kevin Hunter 3,970,180 views. 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. A gathering place for all Farmall Cub, Cadet owners and tractor enthusiast from all over the world. 1 Answer Upon light acceleration the engine cuts out. Engine sputters and backfires under load!!!! Car begins to sputter and pop out of the exhaust and runs real rough like its on 7 cylinders or something , it happens in all weather, and when I'm in any gear , worse getting going in 1st though. I have a 2011 Tahoe and about 2 months ago it started shuddering or sputtering when at low pm and under load. It most noticible at low speeds in OD, 1200-1500 rpm and especially on a hill or under light acceleration. Go buy a cheap little inline spark tester they're like $5 at the auto parts store. So a couple months ago I picked up an RB25 powered kouki. You might check the grounds if there is more than one from the battery to the fender and to the engine. Back then money was a little tighter and I took some shortcuts that i would like to correct. I have a 1998 Cummins M11 Plus that has a real bad miss while under load in the mid to upper gears. A couple of weeks ago I went to go for a ride with my girlfriend. Car has 62,400 miles and is well taken care of. I have a 2002 dodge caravan sport with the 3. Typically an engine misfire under load, will be a problem with the ignition system, while low engine speed problems will be a vacuum, fuel management or compression issue. 8N runs great but dies under load discussion in the Ford 9N, 2N, 8N forum at Yesterday's Tractors. I have checked the timing with a light and vacumn gauge. Truck is a 2001 dodge ram 2500 4x4 V8 5. well i spend a week greaseing every thing up even put in new spark plug wasn,t out 10 minutes found a good deep water hole not two deep there i was stuck cause it started to sputter no power soon as you come out way it goes by the end of the day if i could have found a cliff it would have fallin off. Just as soon as i let the clutch out to drive it, it sputters/hicups/not driveable at all. Stopped off at a local transmission shop and the tech drove it for a couple miles and said he doesn't think it's the transmission, but more of a mis-firing. A misfire under load complaint can usually be broken down into 2 categories. If I keep the throttle open all the way it I'll coast till I stop. Problem is still there under load. By uploading an image, you agree to give LMR. It just couldn't get the fuel it needed. anyone have this problem before?. What you need to do is have the computer scanned for codes. You will need to replace the EGR plugs. INSTALLATION PROCEDURE: 1. One common cause of an engine sputtering is a malfunctioning battery. I cut for about an hour this afternoon and it started sputtering again. I replaced the fuel filter which had water in it. Had intermittent stumbling and backfiring thru exhaust when under load. Got the trash out of the fuel control under the tankthe one that has. 6L 4A-FE motor. Replaced the plugs, ran like a scalded dog for two days, but now it is worse than ever with the spitting and sputtering. After mowing for around an hour it will start to sputter and almost stall under load. The van engine sputters between 35 and 50 mph whether I'm on flat road or going up an incline. 0 ho mustang Hesitates under load only when hot? Answer. 0 missing under a load I googled "93 ford 4. Lots of folks lately with Holley issues. Fixed sputtering while under load problem. if you've never done this before BE. i have a 1989 ford mustang lx that is running really weird. This is a relatively new development and the carb was replaced nearly 18 months ago. My symptoms were sputtering and a kind of bucking under load (giving it power). not firing properly. 0L V8 engine has been expertly engineered to maximise power from every compression by utilising a dual-fuel, high-pressure direct injection and low-pressure port injection system. I had something similar going on with my ST, after checking everything from air leaks, fuel pump pressure to ignition coils and spark plug gap, I decided to give my tuner a call and they sudgested to gap the plugs even tighter, (I had mine at 0. The problem was that I had the altitude adjustment screw set for sea level. the engine knocks briefly when i [shift into gear/apply load to engine during shift/let the clutch back in] those all occur at the same instant. It doesn't happen all the time, just occasionally. at times when it happens i try to mash on it and it lacks power and sputters. " This is the second post where instead of adding something positive to the conversation I have been the one who has been challenged/flamed by the next poster. Like most people say you can check fuel pressure, low will cause miss under load. The engine will sputter, and stall out under acceleration from a stop. When #1 cylinder is at TDC my rotor points. 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. Still idling beautiful, but couldn't put it under even a slight load. So i started thinking that my gas that had been sitting in there for about 8 months had gone bad. I feel and abrupt loss of power for a very short period of time at around 3500rpm. Ford Mustang 2014 v6 premium automatic transmission. Cleaned the carb 2x, new air filter, plug, and the gas is new. Cars Reviews Ford Ford Mustang Coupe Classic cars Muscle cars. Lots Control: The load, or torque, control is simple. Need help with intermittent engine sputter and loss of power My 1986 fuel-injected 5. Yes I have the oil cap on. Only under load and at about 1/3 throttle does this start acting up. I don't know $&!(about cars, but I know a bit of common sense. I would say between 2nd and 3rd gear. I should mention trans is an AOD with a shift kit and low miles. Kawasaki FR651V bogging down under load My Hustler Raptor with the FR651V engine has started to hunt and fart under load,when I disengage the deck it works this is sporadic. Yesterday when I started out, it sputtered pretty bad again under heavy load (thicker grass, going fast). Another common cause of engine sputtering is bad spark plugs. If it runs better under load it points to the carb. I have a stock 289 A code with no modifications. I start my car, idle is rough, seems like its not firing fully on all cylinders. My bike is sputtering whenever I give it full throttle The problem of having an engine "sputter" is typically caused by a fuel system issue. ive had TFI modules that were having the same problem, replaced it with another ford module and still had the same problem. Car "sputters" wont climb when accelerating, not showing up on mechanics diagnostics. I have a 5 KW Kohler 5E generator with 34 hours on it. Engine sputters and backfires under load!!!! Car begins to sputter and pop out of the exhaust and runs real rough like its on 7 cylinders or something , it happens in all weather, and when I'm in any gear , worse getting going in 1st though. Lineups are SPH-320/320M for 2 stage processing and SPH340M for 4 stage processing. com Car Chat > Ford > Mustang > Mustang Problem Diagnosis. Slips, the car backs off boost, starts to boost again, slips again, and so forth. The tractor is 12V (I don't know yet how well the conversion was done) and has a front mount distributor. The engine runs well all throughout the rev range, except for right around 1800-2000rpm when under load. 5 volts being furnished to the ignition coils. but when driving, or under any load it starts cutting out and sputtering. 0 timing light" (my motor) looking for clues to why I may have used it, and the first result was a yahoo answers thing(i used to read those ones for laughs) that actually discussed symptoms similar to yours. at times when it happens i try to mash on it and it lacks power and sputters. A gathering place for all Farmall Cub, Cadet owners and tractor enthusiast from all over the world. When up to operating temp the engine idles and runs good when not under a load, sputters when given some throttle under load -- I'd first look at the fuel system. The problem comes when engine is under a load. Engine idles fine, stumbles and backfires when under load my terramite with a Briggs and stratton 16 hp cast iron engine has been converted to run on a car coil. Please enter your desired user name. After letting off the gas and then feathering it up and down, the power comes back only for a brief minute. 7 magnum and it recently started to shake and shudder (the whole truck) when under load or at 1400-1900rpm, mainly 66-110kph I stopped to check if something was loose as I know the racks on those are fairly prone for problems and nothing. Super A sputters and dies under load. Load-lock sputtering system suitable to fully automated production line for small size parts such as automotive mirrors and plastic moldings. by Robert Moore, on September 9, 2016, 10:30. 0 carb motor. backfiring and sputtering under load. This occurrence can happen once or a few times when the engine is under load. i have a 94 CPI doing the same thing sputters under load until its warmed up, i'm going to try my temp sensor first beings its the cheapest, but i was wondering what the CPI unit cost you from linder if you dont mind me asking thanks. Some of you might remember the 1966 Mustang I bought my wife for her 40th birthday last year. check flow , run the carb. As I came to a stop pulled over on the side of the road, shut it off, tried to start it again, started as easily as always, but same issue when trying to move. When under load, the car would sputter at about 10psi or about 4,500 RPM resulting in a major loss of power. - Mustang Monthly. replaced fuel pump. Average repair cost is $0 at 56,250 miles. com WOT acceleration is related to the actual engine or the maf/ect/iat. isx cummins 500 hp 2013 389 peterbilt At 41000 miles had to replace engine cylinder head The valve guides went in cylinders 4 5 6 The engine ran great but now at75000 miles the engine is sputtering under load and loosing power All the fuel system has been checked, fuel filters change and the - cummins isx. Automotive Forums. See if there is a split in the fuel line or try detaching the fuel line from the pump and run a small line to a gas can with fresh gas and see if you have the same problem. As you said, once it's warm it will hesitate every 10 seconds or so, and sometimes when accelerating at low RPMs I can feel it sputter. Fixed sputtering while under load problem. 8" rear, rebuilt head, brand new IHI. Spitting/sputtering under load!!!!! Then I noticed a decrease in power. Q: I have an 88 mustang with a new cam, springs, coil, distributer, fuel pump, spark plugs, wires, timing chain and I'm having a sputter problem if I go over 3500 rpm and if I keep pushing it it will backfire. When going uphill from 3/4 to full power, engine runs great for 3 seconds then looses power, s. At first it wouldn't idle and would die at stop signs. Hi guys, Really need some help here as its driving me nuts. A sputtering car engine may be caused by one or more faulty components. I have a 2 year old Troy Built push mower 675 series. 0 timing light" (my motor) looking for clues to why I may have used it, and the first result was a yahoo answers thing(i used to read those ones for laughs) that actually discussed symptoms similar to yours. Fuel mixture, rpm. If it were a gas motor v8 lets say, take out 2 or 3 plugs an run it. 3/4-full throttle: sputtering and VERY low power SOHC/4 Owners Club Forums What would cause a complete lack of power when under load and with the throttle 3/4 or. Lots Control: The load, or torque, control is simple. I have a 2003 Ford Focus and it started sputtering a month ago. Get it under load and watch the carb and the throttle shaft as the governor starts to compensate. The van engine sputters between 35 and 50 mph whether I'm on flat road or going up an incline. hey guys ive got a sputtering problem on my 1981 chevy stepside with a 305 qjet carb and regular hei dist set up the truck will only sputter under load, i can put it in park and rev the **** out of it but when you put it in drive and power break it it seems to run for a bit then fall on its face then come back and repeat. 8n - Sputters under load - Radiator problems [ Expand] It doesn't like to run under a load. Initially, when I got it on the road for the first time after the rebuild, it had a Holly 4160 600 cfm. First season doing this. com > 1999-2007 Ford Super Duties > 6. Still idling beautiful, but couldn't put it under even a slight load. Automotive Forums. My 8N runs great for a few minutes, then looses power. The Mustang GT’s 5. The 2005 Nissan Murano has 4 problems reported for sputtering when accelerating. When really cold it could take 5 or more cycles of crank-idle-die, crank-idle-die, repeat, to get it to hold idle. com (or Ford 4L or Ford 4. If your boat is equipped with the ESA module and two switches on the port side of the motor (shift interrupt and overthrow) then i would first check these out. 8" rear, rebuilt head, brand new IHI. backfiring and sputtering under load. Next I would check the flywheel key. No power, spits and sputters under load (out of gear) it sounds good but when it is in gear and under load it sounds like it is missing and has no power. Want me to take a video of my stock Dart climbing a hill in 6th gear from 1. The engine runs well all throughout the rev range, except for right around 1800-2000rpm when under load. I have since replaced the ignition module and coil. The "soft" misfire, often called a surge, is commonly associated with fuel related issues. it always has to advance the same no matter what. My old 2005 4. Changed both o2 sensors ( I had a check engine light) 2. Afterwards it ran like a champ. it's an 8N that sputters under load. org: an open forum dedicated to the discussion and debate about our beloved sports car the DeLorean, its maker, and anything interesting in-between. It doesn't happen at idle or normal driving only under boost. Get your dream car at a lower price by joining Salvage World Auctions salvage vehicle auctions every week. Sometimes it's so bad that the entire car shakes. So i started thinking that my gas that had been sitting in there for about 8 months had gone bad. acceleration Sputtering and popping was the first indication of trouble with mine (see: Another one not running). 0 - sputters while accelerating: Sputters At Low RPMs When Car is Cold, Dies While Driving. First season doing this. Brand new Scorcher Dizzy. AmericanMuscle is proud to offer FREE SHIPPING on any order over $49! The Ultimate Mustang Suspension Guide - Everything You Need to Know. I have a 2003 Ford Focus and it started sputtering a month ago. Welcome to The Truck Stop! We see you haven't REGISTERED yet. 3/4-full throttle: sputtering and VERY low power SOHC/4 Owners Club Forums What would cause a complete lack of power when under load and with the throttle 3/4 or. Could that be causing it to sputter under load? Posted By: Y-Guy on 03/06/16 02:36am See if there is a split in the fuel line or try detaching the fuel line from the pump and run a small line to a gas can with fresh gas and see if you have the same problem. You should be able to find some info on the Honda forums and Honda did have a service bulletin on that repair. replacing the cells in an old car that may be 40 years old, is a great idea, one or two new tanks can relieve headaches like you are describing, after draining fuel from my original 65 ex-mod top-fill military tanks I removed 1 and 1/2 cups of rust residue from one tank, plus the same tank leaked live a siv if I filled it with more than 6 gallons of fuel,. Ive been reading several different forums for the last couple days trying to figure this out and although a lot of people have similar issues, my problem is the weirdest thing. Back then money was a little tighter and I took some shortcuts that i would like to correct. Weve never really been able to drive and enjoy it because it mysteriously dies at. Load-lock sputtering system suitable to fully automated production line for small size parts such as automotive mirrors and plastic moldings. i wouldnt have believed it had i not seen it. No power, spits and sputters under load (out of gear) it sounds good but when it is in gear and under load it sounds like it is missing and has no power. at times when it happens i try to mash on it and it lacks power and sputters. I have a B Model that started sputtering when under the load of the finish mower. by Robert Moore, on September 9, 2016, 10:30. It's a '94 Geo Prizm with the 1. Want me to take a video of my stock Dart climbing a hill in 6th gear from 1. Could that be causing it to sputter under load? Posted By: Y-Guy on 03/06/16 02:36am See if there is a split in the fuel line or try detaching the fuel line from the pump and run a small line to a gas can with fresh gas and see if you have the same problem. 1990 gst sputtering under load and running extremely rich. Help, Advice, Owners' Discussion and DIY Tutorials on S40 and V40. Spuutering while the engines under a load (going up hill or attempting to. After about 15 minutes it seemed to clear up and I plowed through really thick grass at high speeds and it was fine. replaced fuel pump. If your having issues of sputtering under load you need to make sure your wires are not arching under load which they can do. KS4 Idles fine, but Sputters above idle & dies under load I've only had my truck for about 3 years. Goes 0 to 55ish without trouble, but once I try to accelerate past that, the RPMs don't increase, the transmission doesn't downshift, and the car starts to slow/bog down. Hello all, I am wondering if someone can help. If your having issues of sputtering under load you need to make sure your wires are not arching under load which they can do. The problem could stem from the ignition secondary system, which includes such parts as spark plugs, spark plug wires, distributor cap and rotor. As pulsed sputtering modes in comparison with a DC sputtering provide a higher discharge current density and an increase of the ionization degree of the sprayed material , , , , they allow to reduce the thermal load on the carrier. Next I would check the flywheel key. Your condition is a misfire 'under load'. Average repair cost is $0 at 56,250 miles. The 2011 Ford Mustang has 4 problems reported for sputters and stalls while running. With no real sophisticated on board computer we can't seem to find the problem. I have a 2002 dodge caravan sport with the 3. org: an open forum dedicated to the discussion and debate about our beloved sports car the DeLorean, its maker, and anything interesting in-between. It is constant. 8, standard GT mustang (engine was changed from v8, I recently bought it just as it is now)! It has no power, it's hesitating, sputtering and backfiring when accelerating. 5k Lotus Exige sputtering under load - LotusTalk - The Lotus Cars Community. I took my car to the shop, and this is what was done. the engine knocks briefly when i [shift into gear/apply load to engine during shift/let the clutch back in] those all occur at the same instant. When the average person thinks about a classic Mustang, perhaps the first thing that comes to mind is a Cherry Red 66 Mustang Coupe. 5K and start jerking and sputtering eventually evening out at 3-3. For a great year my 1991 volvo 240 ran without any issues. My 73 Mach 1 with 351 Cleveland is sputtering and hesitating at acceleration especially hard acceleration and at beginning of driving it at low speed. And yes when i meant under power train load i meant putting car in gear to drive. Is it hesitating under acceleration? a 350 to idle good then in gear rough and under a load sputter and. My Jeep Wrangler Bogging, sputtering and losing acceleration Also when this problem happens, there is an exaust/ gas like smell that is really noticable. It works good in idle speed. 66 mustang 200ci 3 speed. What Could Cause My 2002 Ford Mustang To Sputter And Miss When I Accelerate Ther Gas. The problem was that I had the altitude adjustment screw set for sea level. Weve never really been able to drive and enjoy it because it mysteriously dies at. 2L engine and Split Port IMRC may exhibit spark knock under light load and acceleration. I too thought it was a spark plug or vaccum leak. I also noticed that while parked if I hold the throttle cable/link so that it's wide open it runs really rough and takes about 5-10 sec to recover and get back to a normal. After about 15 minutes it seemed to clear up and I plowed through really thick grass at high speeds and it was fine. I have a B Model that started sputtering when under the load of the finish mower. Though some vehicles utilize an internal regulator located at the fuel pump (in tank) others are located at the engine fuel rail which can be tested much easier. same when you drive it, during normal crusing speeds and mild/fast. How to test a coil under load If my site is a value to you, I need your help could you please donate so I can keep this site free to everyone. I'd be cruising on the highway and step on it and it would cough and sputter and then clear up. Under a load, like climbing a hill, the car has a sputter to it. Brand new Scorcher Dizzy. It is NOT the 50-70 mph vibration problem. 8n - Sputters under load - Radiator problems [ Expand] It doesn't like to run under a load. I have since replaced the ignition module and coil. hope this helps. anyone have this problem before?. Putting further load on it such as cutting a patch of grass will cause the engine to completely stall. It goes away when you push farther down on the accelerator. Hesitation, sputtering, bogging on the Ford 4. I have a 2003 Ford Focus and it started sputtering a month ago. could be that extra moisture (splashing) under the hood is causing spark to go to ground not through the spark plugs. hello all,i have a 1994 chevy 6. 93 mustang 2. If I keep the throttle open all the way it I'll coast till I stop. Dieseling or engine run-on is a condition that can occur in spark-plug-ignited, gasoline powered internal combustion engines, whereby the engine keeps running for a short period after being turned off, due to the engine kicking back upon shutdown, drawing fuel through the carburetor, into the engine and igniting it without a spark. Your truck knowledge is missing! Registration is FREE, all we need is your birthday and email. My main issue is when on the highway and putting the engine under a load (going up a hill) as the downshifting occurs and I then feed in the gas pedal, I am getting a popping and bucking going on until I ease off on the gas pedal. It does not do it when changing gears moving forward, in forward motion it seems to be tied more to when the accelerator is mashed a bit hard. I didn't read all the posts - but I just recently acquired an Escort that the same - it would idle fine but the second I put it under load it would bog and sputter. Basically, when it's under a load it spits and sputters and hesitates. When the average person thinks about a classic Mustang, perhaps the first thing that comes to mind is a Cherry Red 66 Mustang Coupe. Fixed sputtering while under load problem. The "sharp" misfire, on the other hand, frequently relates to ignition problems. It idled fine with no problems. Things I'd check would include testing the coils and checking the cap/rotor for carbon tracks or burned areas. The "soft" misfire, often called a surge, is commonly associated with fuel related issues. For this reason we have come up with a Troubleshooting Guide to help you out. Sometimes it runs fine, sometimes it does all this chugging. 2001 mustang GT with an '03 motor Been having an issue with my car's acceleration. Only under load and at about 1/3 throttle does this start acting up. Afterwards it ran like a champ. +1 on the above post. Forum discussion: Hi All, At the end of last fall I decided to use my lawn mower to mulch the leaves instead of raking them. sputtering under load - Farmall Cub. I am still having a problem with my 1987 Mercuiser 4. My engine sputters under load. 8n - Sputters under load - Radiator problems [ Expand] It doesn't like to run under a load. The carb I am using is a NOS Holley 9834-1 Here is what happens: Car starts fine hot or cold. Here we go again. it set at 20 degrees BTDC anything below that it sputters and falls on its face under throttle. My idle was so bad it started dieing on its own. I would like ideas on where to begin in trouble shooting this. Welcome to The Truck Stop! We see you haven't REGISTERED yet. Engine number B602338. It has no power, it's hesitating, sputtering and backfiring when accelerating. Then will. Engine power loss and sputtering 48 Answers. Afterwards it ran like a champ. As decribed in the subject, the engine is sputtering (kinda a mini backfire) and losing power whenever it is put under load. Turn on the lights, heater fan, rear demister, wipers, stops lights- by operating the bake pedal, cigar lighter. Replaced coolant temp sensor, ignition coil and spark plugs. When really cold it could take 5 or more cycles of crank-idle-die, crank-idle-die, repeat, to get it to hold idle. It should be pretty close to that hose, underneath and a little to the right. Afterwards it ran like a champ. Then even at cruise it doesnt seem to be revving smoothly. NHTSA — Engine Problems. It only happens under full throttle and only after 4000 rpm. replacing the cells in an old car that may be 40 years old, is a great idea, one or two new tanks can relieve headaches like you are describing, after draining fuel from my original 65 ex-mod top-fill military tanks I removed 1 and 1/2 cups of rust residue from one tank, plus the same tank leaked live a siv if I filled it with more than 6 gallons of fuel,. Putting further load on it such as cutting a patch of grass will cause the engine to completely stall. After letting off the gas and then feathering it up and down, the power comes back only for a brief minute. Brand new Scorcher Dizzy. Now it sputters when accelerating from stop and also engine shuts down when brakeing sometimes when turning. View pictures, specs, and pricing & schedule a test drive today. Fixed sputtering while under load problem. The "sharp" misfire, on the other hand, frequently relates to ignition problems. Check the spark plug. 0L/ automatic 4. 1990 gst sputtering under load and running extremely rich. You can check it by pulling the plug to the sensor - the car will freak out for a few seconds but will recover in about 10-15 seconds. IE- spark plug, plug wire, ignition coil. It does not do it when changing gears moving forward, in forward motion it seems to be tied more to when the accelerator is mashed a bit hard. com Car Chat > Ford > Mustang > Mustang Problem Diagnosis. Sputtering, low oil light, and stalling under load was created by pittspeng As of the past week and a half, both my friend's car and my own have been sputtering under load when it reached operating temperature (when it sputters badly, the low oil pressure light comes on). It sits right behind the radiator on top of the engine so all I have to do is undo 2 bolts, the vacuum line, one pipe and the eletrical connector and I'm done. But it's hard to tell if the turbo is smoking under boost, since I often forget to look behind me when flying down the road to check for smoke. com WOT acceleration is related to the actual engine or the maf/ect/iat. My old 2005 4. it set at 20 degrees BTDC anything below that it sputters and falls on its face under throttle. 8 liter automatic. Sputtering when under load 31 Jul 2009 09:15 #310545.