2004 Chevrolet Impala Start Chevy Impalla Wait Minute Rpm S Move 1 2 Front End

2004 CHEVROLET IMPALA
220,000 MILES
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when i start my 2004 chevy impalla and wait for a minute my rpm's move from 1-2 and my front end under the hood starts bucking and shaking, what can i do to fix this?
Dec 31, 2012 at 9:54 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Is the check engine light coming on? have you checked for vacuum leaks and the IAC (idle air control valve)?
Dec 31, 2012 at 11:14 PM
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