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Surges 900 1400 RPM while idel

Tiny
SEAGUL
  • MEMBER
  • 2001 CHEVROLET LUMINA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 205,000 MILES
Lumina 2001 autodrive, idel surges after engine warm-up while in park or neutral only. Fine while engage in gear.
Thursday, December 30th, 2010 AT 9:43 AM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,645 POSTS
Check the idle air control valve (IAC). Its job is to maintain a steady idle. It is located on the throttle body.
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Wednesday, January 12th, 2011 AT 9:23 PM
Tiny
SEAGUL
  • MEMBER
  • 3 POSTS
Thanks for your prompt repley, but the problem could not be fixed I change the (IAC)coil. And cleaned the throtle body for carbon deposit, even I have the same problem. Your ans really appreciated.
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Sunday, January 16th, 2011 AT 1:18 PM

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