idle speed

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CAS
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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
Nov 28, 2006 at 8:55 PM
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CARUNDELL
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[quote:dd6d621582="cas"]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[/quote:dd6d621582]

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
Dec 5, 2006 at 3:29 PM