High idle on my Monte

Tiny
SIMZ91
  • MEMBER
  • CHEVROLET
I have a 1996 Monte Carlo LS. It has a high idle first start in the morning. But if I turn the car off and restart it goes to where it needs to be. I did replace the IACV, but I wonder if I have not reset it correctly. I have cleaned everything on the throttle body and I have checked for vacuum leaks. I also did all of this with battery disconnected to try to keep from messing up sensors and such. Any suggestions? Thanx for the time.
Monday, November 27th, 2006 AT 7:54 PM

1 Reply

Tiny
SIMZ91
  • MEMBER
  • 2 POSTS
Do you mean the air intake sensor? Cuz I have done the coolant sensor. I have also heard of this problem with others and they said mabe a vacuum leak from some hose that comes out of the firewall to the map sensor? Dunno but it is strange that I only have this prob when car is not warmed up and if I shut the car off and turn it right back on the RPMs are ok. Any more suggestions?
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Saturday, December 9th, 2006 AT 7:36 PM

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