My 03 cavalier has a check engine light and a service light and the Serice light came on and not sure why or for what didn't even know it had one

Asked by Jon Mar 26, 2015 at 11:19 AM about the 2003 Chevrolet Cavalier Coupe FWD

Question type: Maintenance & Repair

It just came on  2003 Chevrolet  cavalier  
base  2.2 ecotech 4 cylinder

1 Answer
2,545

Beeguz answered 9 years ago

The check engine light is for when the computer has a fault code stored, the service light can come on at predetermined times just to get you in for service or when something major is happening. Go to an auto parts store they will read the codes for free then you will know if you can use your car safely without hurting something

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