service light ,check engine light

2004 CHEVROLET CAVALIER
123,000 MILES • 4 CYL • FWD • AUTOMATIC
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MEYERSDALE63
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  • 1 POST
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 ,,,,,,,,,,,,,,
Jan 30, 2009 at 7:10 PM
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BILLYMAC
  • CERTIFIED EXPERT
  • 2,204 POSTS
hi check engine is emissions light for computer related sensors. the service eng soon is for the engine only.

Lets run the codes to see what co,ems up here is a guide to help you.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please run down this guide and report back.
Feb 2, 2009 at 7:28 AM