My 2005 Cadillac sts v6 check engine light keeps coming on what could be the problem my macaic says it is the catilicic converter
2 Answers
What codes is the check engine light giving you? You can have them checked for free at the local auto parts store. Use caution if it is a bad convertor you could cause more major issues by continuing to drive it. Are you having any drivability issues?
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my problem turned out to be a new gas filler cap - no more check light