Why does my car's engine rev while the car is idling?

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Answers:

Car Body Shops in Missouri?

What kinda engine you got?

Are alloy wheels just a bloody nuisance?

Fuel injection, Turbo, straight carb, twin carb, Diesel?

I have a 2002 Nissan Altima and I noticed that in cold weather it takes longer to shift into 3rd gear?

Have you got an ECU or an Electronic Engine Management System? These things are notorious for causing chasing and erratic idling.

help with ignition lock replacement??

Can be a lot of things from a faulty valve incorrect mixture long list a good mechanic will know by ear and probably put it right in minutes.

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How easy or hard is it to change Wheel Bearings on Fiat Punto?

you have a vacuum leak somewhere

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when i go over the bumps and dips and etc? my car squeaks! what can it be?

change the IAC...idle air control

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Can anyone help with my 92 dodge spirit (electrical) ?

If the engine is cold like on my Diesel truck or my Honda, the engine will make more revolutions per minute( it will rev up more) to protect itself from shuting off and from the cold so that can be also

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