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1996 Chevy Cavalier IAC (Idle Air Control) Trouble

Tiny
TAR65
  • MEMBER
  • 1996 CHEVROLET CAVALIER
  • 4 CYL
  • FWD
  • MANUAL
  • 71,000 MILES
We have had a scan done on this car It is a z24 and the scan says the IAC might be bad, vacuum leak, or dirty connection to the IAC. I have checked all of the above, also I have replaced the IAC, voltage checks out on the IAC fine.
The Check engine light keeps coming on, the car sputters/hesitates, when Idling if revved up quiclkly then released, the idle fluctuates, for about 10 seconds then drops to normal idle. The car idles at about 1100rpm.
Any sugestions on what to check now?
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Sunday, August 10th, 2008 AT 12:47 PM

3 Replies

Tiny
RHALL77
  • MECHANIC
  • 3,361 POSTS
What code are you getting
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Monday, August 11th, 2008 AT 7:57 AM
Tiny
TAR65
  • MEMBER
  • 2 POSTS
The trouble code taht we were told was being read was P0507.
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Tuesday, August 12th, 2008 AT 10:34 PM
Tiny
RHALL77
  • MECHANIC
  • 3,361 POSTS
Have you checked for a vacuum leak, is there any vacuum hoses pulled off
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Wednesday, August 13th, 2008 AT 7:09 AM

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