One problem related to check engine light on has been reported for the 2003 Chevrolet Cavalier. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Chevrolet Cavalier based on all problems reported for the 2003 Cavalier.
Abs, trac off and check engine lights stay on. There is a TSB on this but since it affects brake operation this should be a mandatory recall.