Close

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!!

Have you scanned it and verified the code is the o2.
Qualified Local Pontiac Shops
Qualified Pontiac Shops For This Repair
950 Airport Rd # 301
Stephenville
RepairPal Shop Scorecard
95
Technical Ability
97
Tools & Equipment
97
Customer Service
88
Customer Amenities
Group
CLOSED NOW
(254) 255-4268