Question about 2005 Chevrolet Impala

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Idle high when start car

My car idles high when ever you start it i tap on gas to see if thaat works it dont. when put car into gear the car goes 20mph without me giving it gas. but sometimes if I turn off the car and re-start it it will be fine( normal)

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  • Tari Herbert
    Tari Herbert Apr 24, 2009




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Hi, does this engine have a carburetor or fuel injection? if it has a carburetor, check the cable return spring it may not have enough tension to return to idle, cable could be worn and sticking, also the throttle shaft could be sticking. Do check the gas pedal is not obstructed by floor mats or other, found this a common fault. Fuel injection this could be the cold start air bleed starting to stick a little

Posted on Dec 19, 2014

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You need to clean a air cleaner and carborator

Posted on Apr 23, 2009


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