2001 Chevy Lumina surging

Tiny
WORF55381
  • MEMBER
  • 2001 CHEVROLET LUMINA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 198,000 MILES
Car startrs hrd need to give it gas after car warms up it surges 500 to 1500 in park or nutral and will die when at a light or slow rpm 1200
Thursday, January 22nd, 2009 AT 7:55 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hello, If you open the throttle a little during cranking, your bypassing the iac system, I can't say it is faulty, just a thought. If you floor the pedal, it may cut off the injectors. Can you check fuel pressure? A vacuum leak or sensor problem might cause a surge.

Can you check for codes? Some of the national brand auto stores will check some codes for free, if you can get it down there.
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Thursday, January 22nd, 2009 AT 8:55 AM

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