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Car Stalling Problems

When your car’s engine stops when it’s in idle or is accelerating, then your car has stalled. Almost all stalling problems stem from poor fuel-gas mixture, out-of-tune fuel injection or fuel contaminants.

2,010 Questions

Why does your 1992 corvette service engine light come on and then dies while you are driving?

The service engine soon light comes on when the engine computer has detected a malfunction and set a code. You need to have the system checked for codes to know possible causes.

Your car stalls when i engage the clutch. this only happens when slowing down. my car is a 1994 Ford Mondeo 16v 1.8?

your car stalls when u gear down because you geared down too much. your car stalls when u gear down because you geared down too much.

Can a car wash cause your Mustag to misfire?

It's possible if the plug wires are porous or loose or if distributor or coil got wet

You have a 2000 Toyota Camry that just cut off while driving The car won't start the mechanic says it may be the fuel pump Where is this located in your car and how can you tell its the problem?

im not sure on location, but to test if this is the problem there are a few ways , at the fuel pump itself check for voltage . also while cranking the vehicle check the fuel pressure.(the second one is a bit technical)

Will a bad ignition coil cause a car to sputter?

Ignition misfires and "sputtering" can be caused by any number of system failures such as air/fuel, ignition and even emissions/exhaust. A failing ignition coil, control module, plug wire and plug are often components that should be examined when diagnosing such misfires.

Why a 1969 gto stalls when you press the gas?

Check the following: fuel squirt from accelerator pump circuit in Q-Jet carb, correct ignition point dwell (30 degrees), pull off vacuum hose at distributor at idle & gently suck down a vacuum; it should speed up the engine slightly- indictating that it works the advance pull; if it doesn't it's ruptured. Check base timing at idle & it should be around 8 degrees with the vacuum advance hose pulled off at the distributor. Slowly rev up the engine & watch for the timing marks to advance on the pulling while using a timing light. One thing about a nearly 40-year old distributor: the dwell should be 30 degrees at idle. Rev up the engine while a dwell meter is hooked up & see if the dwell changes more than 2-3 degrees. If it does it's worn out & should be replaced. Pontiacs were also bad about the roll pin that holds the gear onto the distributor shaft cracking & the shaft would "walk" around, changing the base timing & making it sluggish. Sometimes they'd pop & the shaft would remain stationary & the engine would quit. Hard to find & easy to fix. Onemore thing: Pontiacs were bad for timing chain wear. Place a breaker bar & socket on the balancer bolt, gently turn in the direction of normal rotation until the slack is taken up. Then also gently slowly turn the bolt backward against normal rotation & see appx how many degrees of slack you have. If it's anywhere approaching 30 degrees, then valve timing will suffer & a stumble will result. One final thought (of many): check sparkplug wires with an ohm meter. New they're about 6-7K ohms. With any time on them & high underhood temperatures they age quickly & if they're anywhere near 12K ohms or more they'll cause surging/stumbling & may crossfire. Good luck.

How do you check the Catalytic converter on Chevy blazer to see if it needs to be changed?

It has been my experience, though not for the average "shade tree" mechanic, that the converter can temporarily be cut out and a straight pipe spliced in. If the converter has in fact broken down, then the vehicle will run almost like new. When the honeycomb looking internal lining of the converter gets brittle it will break off in pieces large enough to block exhaust flow and will substantially rob power. If the Blazer is used "off-road" on occasion the excessive bouncing may accelerate the situation.

Why do my Car stalls went sitting still?

if you do have gas in the car then it could be the idle control valve. it stops the engine from stalling when the car is stationary

What is the spark plug gap for a 1995 Geo Prism LSI. NGK recommends .043 but car stalls when put it in drive. Old plugs were set at .035 What should be done?

1. Check the NGK spark plugs you got to make sure they are the correct ones for the application. If you got the standard (non-platinum) plugs, they should be BKR5ES11 or BKR5EYA11. 2. Double check to make sure the plugs are gapped at .042". If you got the correct plugs, they are normally pre-gapped at .044". It's pretty close to the actual recommendation of .042", but just to be sure I'd take them out to check, because if they are set at .044" rather than .042", the gap would be a bit too wide and could be a possible cause of stalling. 3. Make sure the plugs are all seated correctly, to the proper torque. 4. Make sure the spark plug wires are good and all firmly connected to the plugs and distributor cap. Be sure that no wires are accidentally "crossed". 5. Make sure no vacuum hoses accidentally came loose while you were doing the spark plug change job. 6. Are the distributor cap and rotor brand new? For the optimum tune-up, it's recommended that those (and the ignition wires) be replaced along with the spark plugs.

Why is my engine smoking and then shutdown?

engine smoking indicates overheatingdue to low coolant and/or oil if it shutdown because of overheating you may have already done serious damage

Car starts but sputters and has no power?

Check your spark plugs and spark plug wires. One may be bad. Do you smell gas if you turn your fresh air vent on?

What would make the exhaust pipe turn cheery red and the motor lose power?

Your catalytic filter is clogged up and builds pressure inside itself resulting in heat and a large amount of cash beiing spent by you because this baby (new) will cost you at LEAST 600$ and if i were you i would go to the scrap yard to buy one or better yet just take it off. You will pollute and fail emmission tests but you will be able to buy all of the ice cream cones you want! and much much more!!

What does fault code U0009 mean on santa fe?

Controller area network(can) data bus, high speed bus(-) shorted to data bus(+)

in short you have a fault in ur system

Is Gumout octane booster worthwhile?

i have a 2001 GTp.. I alsw have a Ls1m scanner http://ls1m.com/ .. It scanns my car for everthing .. Most cases i scan for Kr.. with my car i sually get a 2.95 kr full boost 8 psi. but yest my car was on E so i decided to buy one octane booster at wlmart. and ad it to some 16 gallons of gas drove easy for 10 miles. then started to scan.. Now i see a .95 at full boost..

Yes it works...

AnswerI have used Gumout Octane Booster for about 6 months now. I drive an '89 Ford Ranger. Before the booster, it would knock and ping at the bottom of lower gears. It would stall whenever it felt like it. About 10 miles into the first tank of booster, I noticed a dramatic improvement. Hesitation is lower, no more stalling and idle is smooth. No more knocks and pings. It costs me under $2 per bottle. I use 1 for every tank of gas and I went from 17 to 24 MPG. That is not an exaggeration. I tally the MPG at EVERY fill-up. AnswerYes, they work to an extent. But, let it be known, if you are looking for a "magic bullet" to fix knocks and pings, I would look elsewhere. You could have a more serious problem somewhere within your engine causing the knock. If an Octane Booster "solves" your problem (knock/pinging) - then definitely take your car to a decent mechanic for further diagnosis.

Also, consider, a growing number of vehicles on the road today actually "require" or "recommend" higher octane fuels. Check your vehicle's owner manual. It may be possible you've been using "Regular" unleaded, but you should actually be used "Mid Grade" or Supreme gasoline. So yea, if this is the case (your car requires Mid Grade gasoline, but you've been using only regular) - that could be the source of the knock and ping you experience.

Gumout Octane Booster contains mostly JP5, which is used in the US Navy as fuel for aircraft, and really cleans fuel systems well. The improvement you felt was most likely a cleaner fuel system as well as cleaner injectors.

Why does a 1999 Buick Regal GS only have fuel pressure at key on and then looses it imediatley after starts and runs for 3 to 5 sec then bounces right back up after engine stalls?

The GS has a two-speed fuel pump, which is controlled by the pcm through 2 relays. During cranking, full power is supplied to the fuel pump through one of the relays. After start, when the ignition switch is relaxed into the "run" position, the pcm then delivers fuel pump power through the other relay. That relay sends the power through a large resistor that looks like a ceramic horseshoe that is mounted on the frame under the battery at the right front of the vehicle. You will find the connector behind the right headlight assembly. It has 2 wires, and is fairly easy to find. You can ohm it out from there. Most likely that is your problem. The GM replacement comes with a relocation kit, so it can be mounted above the engine on the firewall in a friendlier environment. If you choose to relocate it, you really don't need to remove the old one- it's kind of in a tight place, and not real easy to find.

Why would the engine on a 1988 Buick LeSabre have a miss and then after it warms up start stalling?

An engine is just like a human in many ways. In this example, the engine is missing and it could be many different things that cause this. Not unlike a human that is coughing, in which case, it could be many things that are causing the cough, all the way from an irritated throat to lung cancer. But, it's usually one of a few most common problems. For the I/C gas engine I would start simple and go from there. Things to ask yourself are: How many miles on the engine? How many miles on the spark plugs? How many miles on the spark plug wires? Are any of the spark plug wires touching the exhaust header? Etc.... etc... I would start by removing and inspecting the spark plugs and the spark plug wires and look for anything obvious. Is one spark plug "Wet" and all the others "Dry" (or drier). If one plug is wetter than the others it may be that that plug is misfiring. If that is the case it could be the plug wire or the coil. If there is alot of black smoke coming from the exhaust it may also indicate a leaking fuel injector, if there is no black smoke it may mean a fuel injector is not being energized due to wiring problems or computer problems. If the engine has very high mileage it may have a burned exhaust valve, especially if there is a leak in the exhaust header at that valve location. Just as an FYI, always make sure that the fuel filter has been replaced in the last 10-12 thousand miles. I hope this helps, if not let us know :-) TommyTrouble

WHY DOES MY 1991 Buick Riviera stalls?

Just like all the other 100+ posts on this site. Need to know if loosing spark, or fuel. Common causes are bad ignition module, or coil pack-specially if you have the single "magnovox" unit, or crank sensor.

Does a 2008 Pontiac Grand Prix have a fuel filter?

Yes, all automobiles have fuel filters. Some are permanent and mounted in the fuel tank and some you can replace.

How to change transmission fluid?

Obtain the correct trans filter from your dealer; bring in your VIN code from you dash. Obtain a large drain pan. Raise car safely on a level surface. Begin removing trans bolts slowly and as pan lowers it will drain( most pans do not have a drain plug; if yours does--great). Clean the pan install filter ( easy)& install gasket but use NO gasket sealer( can get into valve body) tighen bolts add trans fluid, start car, top off the fluid but don't over fill.Done> I hope this helps you. Mark

Car shuts off while driving?

It's possible that theres a spark problem. Check the wires plugs and distributor. Hope that helps.