Close
QUESTIONS

RepairPal is your advocate for car care advice and guidance

Q: WHAT ARE SOME CAUSES FOR THE CHECK ENGINE LIGHT ON?AND WHICH SENORS GO BAD FIRST on 1999 Pontiac Bonneville

I HAVE REPLACED UP-STREAM OXYGEN SENSOR ALREADY AND NOW WHEN I HAD IT JUSTED IT SAID DOWN-STREAM , EVAC SENSOR I HAVE NO IDEAD WHAT TO DO!!
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?