Idle speed

Tiny
CAS
  • MEMBER
  • CHRYSLER
1990 dodge d 150 318 cu. In. 110,000 miles recently the truck has had a high idle rpm after it warms up. Making it harder to stop and shift into reverse or drive from neutral. How can I verify if its the isc motor? It (isc motor) has become very loud lately but still activated when truck is turned on or off
Tuesday, November 28th, 2006 AT 8:55 PM

1 Reply

Tiny
CARUNDELL
  • MECHANIC
  • 602 POSTS
Hey cas,
Have you ruled out the possibility of a vacuum leak causing your high idle issue? Ie: vacuum hoses, throttle body gasket, intake gasket etc.

Regards,

Chris
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Tuesday, December 5th, 2006 AT 3:29 PM

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