My 2005 Cadillac sts v6 check engine light keeps coming on what could be the problem my macaic says it is the catilicic converter

10

Asked by Feb 23, 2014 at 09:14 AM about the 2005 Cadillac STS V6 RWD

Question type: Maintenance & Repair

2 Answers

120,875

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?

1 people found this helpful.
17,605

my problem turned out to be a new gas filler cap - no more check light

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