Mechanics

CHEVY SERVICE LIGHT ,CHECK ENGINE LIGHT

2004 Chevrolet Cavalier

Computer problem
2004 Chevy Cavalier 4 cyl Front Wheel Drive Automatic 123000 miles

cavalier has check engine light and service engine soon light, in dash why both and what is service light for, someone wrote about headlight trouble drl lights flash five times, then highbeams and drl lights dont work then service light comes on are you sure this isnt a dealer only code that must be cleared since this happens to cavaliers at 1,00000 mile service thank you im glad I found this site.
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Meyersdale63
January 30, 2009.



Hi check engine is emissions light for computer related sensors. The service eng soon is for the eng only. Billymac

Billymac
Feb 2, 2009.