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Can be many things. If the car is over 10 years old suspect a vacuum leak.

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13y ago
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Q: Why does your car shake when you idle?
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Related questions

Why does your car shake at certain speeds and when idle?

Check the idle, crankshaft and camshaft sensors.


What is causing your car to shake even while idle?

miss alignment of tires


Why does your Saturn SL1 idle funny?

what does idle funny mean? Does the whole car shake? (upper engine mount collapsed) Or does the engine shake/misfire? (Intake manifold gasket)


Why does the car shake while in drive and idle but not reverse or nutral?

have you tried to get your wheel realigned


Does bad spake plugs make car shake in idle and with ac on?

Yes they can. It can also be a vacuum leak, or defective idle control valve.


What causes car to shake when idle?

Cylinder misfire. Possibly failed or failing engine mounts.


Why would your car shake when it is in gear and and idleng but not moving Same for when not in gear shakes when it waunts to out of gear. but shake when in gear and at idle?

Check your motor mounts.


Why would a car shake at stop lights?

Engine miss or rough idle, or broken motor mount


Why does car shake when stoped?

its probably just your idle kicking in when u stop, this keeps your car ideling at a certain RPM so your car dont stall, and die.


Why does your 2001 deville shake when stopped or idle?

If a 2001 Cadillac DeVille shakes when the car is idle, there could be an issue with the powertrain. There could also be a problem with the crankshaft position sensor.


Can a car shaking be caused by disconnected vacuum line?

Yes. A disconnected vacuum line will cause the engine not to idle at a constant rpm, therefore causing the car to shake.


Why would a Chevy Cavalier vibrate or shake when is sitting still?

Im betteing one of your motor mounts is broken and making the car shake. does the engine move when you gun it in neutral? ajust the idle of the car. The car has no idle ajustment it is controled by the PCM check the motor mounts and check your idle control motor. Also have you intake and plentium checked and cleaned also run some fuel injector cleaner every tank full. dirt420ba BE SAFE!!!!!