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Whats wrong with my 2004 chevy impala the idle is too high...

Idle is running high

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If im thinking right you should have a check engine light on if this is happening, sounds like an idle control sensor, take it to the chevrolet dealership or a mechanic shot and get the obd2 codes pulled and they can tell you the exact problem, autozone also does this for free

Posted on Oct 31, 2012

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SOURCE: 2003 Chevy Impala LS idles high (2000+ rpm's) in P and N only

CHECK IT FOR VACUUM LEAKS. INCLUDE THE EGR VALVE, VACUUM BOOSTER, INTAKE GASKETS, ETC. ALSO CHECK THE THROTTLE BODY IT MAY BE HELD OPEN BY THE THROTTLE CABLE.

Posted on May 23, 2009

  • 295 Answers

SOURCE: Headlight wiring diagram for 2004 Chevy Impala

I would go to Alldata.com on line for your vehckle to get the wiring diagrams.

Posted on Jul 18, 2009

  • 369 Answers

SOURCE: I have a 2004 Chevy Impala, and the windshield

Try changing out the windshield washer switch or multifunction switch whiever the case may be its probably bad.

Posted on Nov 29, 2009

  • 82 Answers

SOURCE: my 2003 chevy impala idle high in park n when i

things to check: check for engine vacume leak
carbon build up at throttle body. idle air contoller maybe stuck due to carbon build up or defective

Posted on Mar 21, 2010

  • 8 Answers

SOURCE: 89 s10 has a high idle

Adjust the idle though the throttle body at the top

Posted on Apr 25, 2010

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Code P0507


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