what is the desired idle rpm?

25

Asked by 3TAutoRepair Dec 23, 2011 at 12:02 AM about the 2001 Chevrolet Silverado 2500HD LT Extended Cab RWD

Question type: Maintenance & Repair

My truck is idling at 650 rpm and cutting in and out. what is the desired rpm?

1 Answer

papa answered 12 years ago

sounds like the egr needs cleaning or replaced,it controls the idle,it should idle around 650 to 1,000 rpm.it may also have a bad throttle position sensor,or idle air control,both located on throttle body.

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