what would cause my 5.7 ltr to idle at 1500 RPM will in nutral or even in gear with out useing throtle?

Asked by Jan 10, 2014 at 02:18 PM about the 1997 GMC Sierra 1500 K1500 SL 4WD Extended Cab Stepside SB

Question type: Maintenance & Repair

my truck is a 1997 it idles at 1500 RPM from the time I start it in the morning to the time I get to work 1 hr. later I have to ride my brake in 25 mph zones to keep the idle from making the truck speeding

1 Answer

hey nabby did you find a solution to your problem yet I have the same problem with my 1997 gmc if you find something could you post it Thank you

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