Question about 2004 Chevrolet Impala

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Engine shakes then stalls

When I go to start the car the engine shakes violently then it stalls out

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Undo the exhaust ahead of the catalytic convertor if it runs then replace the convertor

Posted on Nov 23, 2013

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1 Answer

Stalling and bucking above 2000rpm


Sounds like an ignition misfire. Is the check engine light on ?

Jul 31, 2015 | 2001 Nissan Quest

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Car Shakes Violently On 1St Gear


It sounds like you have a blown throw out bearing for the clutch operation. Fix it soon or you'll do a whole lot more damage to the drivetrain.

Dec 04, 2012 | Cars & Trucks

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I have a 2002 Volkswagen Golf with a 2.0 engine. The 'check engine' light starts to blink and the car starts to shake violently, and it doesn't accelerate past about 25km/h. Then after riding...


there are a LOT of problems that could have this effect on an engine ... but from this description it sounds like your timing chain might have skipped a tooth. If your timing is off, the pistons will not fire at the correct time, and will cause a violent shake in the engine, and the engine will lose almost all power. This issue would also cause a hard start whenever you try to get your car started, so it may not be this ...
You might have a leak in your head gasket which is leaking either water or antifreeze into one of your pistons. When you start the car, is there a sweet smell in the exhaust? If antifreeze gets into a piston, it usually stops that piston from firing at all. This could cause a violent shake in the engine, and might not cause a hard start, so it would only be noticed when you start driving.
You could have a dead spot in your distributor cap -- the piece of the engine that distributes electrical charge to the spark plugs. Replacing the plugs is a first step to finding out if it is this problem -- it is cheaper and easier to do than replacing / repairing the distributor cap. When the plugs don't want to fire correctly, it has the same effect on the engine as antifreeze in your engine -- a violent shake and diminished power.
There is a SMALL possibility that it could be your transmission. If your transmission is getting stuck in the wrong gear, or between gears, the engine will try to pour out power, but will get so bogged down by the malfunctioning transmission that the whole car will shake. This is a VERY rare problem, but it does occasionally happen.
Your car's computer might not be sending or receiving the correct information to or from the engine. If this is the case, it could be pumping a different amount of fuel to each cylinder, causing the engine to fire too hard sometimes, and too soft other times. This would prevent you from getting proper acceleration, and could cause a shake in the car, but I don't think it would be a Violent shake like you described.
You could have a bent Cam, which would not allow the valves to function correctly (but this would probably keep the car from starting). It could be a bad bearing in the engine (but this would probably keep the car from starting at all). You could have faulty valves (but once again, it would probably not start at all). There are a lot of other possibilities as well ... but I think you get the point here. It is going to take a while to figure out exactly what is wrong. If you have a friend who is willing to help you out, or a really cheap mechanic that you can take it to, you'll probably save a lot of money over taking it to a corporate shop. Best of luck!

May 27, 2011 | Volkswagen Golf Cars & Trucks

1 Answer

When airconditioner is turned on, engine will not idle up, engine shakes violently and stalls. Gas consumption is bad. Is it due to electronic fuel injection , alternator or computer box? Throttle body has...


No, I wouldn't change the alternator unless you have a battery charging problem, which I don't think you have.

I think that if it stalls there's a problem with the iacv (idle air control valve) or equivalent. Look for codes stored in the obd-II computer using an obd-II scanner to retrieve codes and meanings.

Good luck on this repair.

Jan 29, 2011 | 1997 Honda Civic

1 Answer

94 Merc: Stalling,shaking, gear stick with mind of its own, HELP!


sounds like the flex plate on the back of the torque converter has splt across the bolt hols that hold it to the crankshaft

Oct 25, 2009 | 1994 Mercedes-Benz C-Class

1 Answer

1998 GMC sierra 5.7 warms up to violent shut down


I Would Look Into ECM Probled As It Takes over when the Engine reaches 195-220 Deg the ECM Takes Charge of Timing ETC.

Jan 31, 2009 | 1998 GMC Sierra

1 Answer

The engine in my 96 saturn wagon shakes when it is put into gear, reverse or drive.


remove the belt and spin all of the pulleys by hand to make sure they all spin freely. the knocking noise is probebly a pulley locked up.

Nov 08, 2008 | 1996 Saturn SW

1 Answer

'01 Elantra Start-up issue


i think you should change the fuelfilter.

Aug 08, 2008 | 2001 Hyundai Elantra

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