Cadillac 2016 XTS

Roseanna kalnas • 8 September 2019
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During the hurricane I was unable to use regular gas. I was using the high end gas. Now my check engine light is on. Does this have anything to do with it. Also my back brake light is out. Cause this be why my check engine light is on?

Odometer
55,500

Your check engine light should not come on because you used higher octane gas.

Stop by at an auto parts stores and read the codes. Let us know what they are.

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  • First, you need get the codes scanned which will diagnose the reason for check engine light. Sometimes, there could be more serious problems associated with it so get it checked by a specialist

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