Close
QUESTIONS

RepairPal is your advocate for car care advice and guidance

Q: Very fast idle when in park-when in gear vehicle goes 30-40 MPH on its own on 1994 Oldsmobile Cutlass Supreme

engine revs up to around 2500 rpm in park. service engine soon light is always on.
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
Didn't find what you were looking for?