Question about 2001 Pontiac Grand Am SE

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Shakes while at stop lights and lower rpms

Runs perfect at first,it does this after car warms up

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  • 9 Answers

Could be that your exhaust is leaking.

Posted on Jan 02, 2014

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BLAZZ81
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SOURCE: Car losses power at 55

sounds like a bad EGR gasket,, did you wash the engine when it was hot? if so replace EGR gasket

Posted on Apr 02, 2010

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My 99 vw beetle idles and tries to die at a stop light but when driving it is fine? it kinda has me worried .


Not sure about the dying may be an oxygen sensor going out. The shaking may be your allignment needs fixing.

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I own a 1991 chevrolet c2500 350 5.7l cheyenne. the truck has 130xxx miles and i take awesome care of it. it runs awesome but for some reason, and it has always done this, when i start the truck up i...


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If it shakes, it is normally either a bad motor mount (if the car runs fine) or your car is "missing" on one or more cylinders (misfire). The belt will squeal because they stretch with use. That can be solved by replacing the belt or tightening the belt. The squealing sound won't go away until you do one of those two things and is unrelated to the shaking. You PROBABLY are experiencing a very "rough idle" if any of the hoses to the intake (top of the motor) have a hole or crack in them from heat or age. This is common and is the first thing to look for to avoid high repair bills. Bad (worn out) spark plugs or old cracked plug wires can also cause a misfire. You could also have a bad coil pack, but mine has gone 186,000 miles without coil replacement or new plugs or wires and I've only changed the fuel filter once. Another possiblity is a faulty Idle Position Sensor that is not properly regulating the fuel delivery. Normally that would cause an engine light to come on also though and you can have someone at the parts store "read the code" once the engine light comes on.

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1 Answer

Tahoe shakes in the morning when first turned on. shaking stops after truck is warmed up. Noticible increase in exhaust.


it dosent sound like any thing to worry about most cars do that it just the oil needs to be warmed up so it breaks down a little and thats why the rpms will be higher it will shake and youll see more from exhaust

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Sounds like a bad motor mount, pop the hood and see if the motor shakes or moves rapidly when u put it in gear holding down the brake.

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The next time it starts shaking and acting up its the time to have a fuel pressure test, or maybe if you can't remember the last time the fuel filter been chg. do that and see if it dosent run any better. Could be filter getting cloged up, or maybe pump getting weak and dosent show up until its run a while and has got warm.

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