recently my AC stopped working completely, now the check engine light is on constantly. Is that a reason for the check engine light to stay on?

Asked by Jun 30, 2014 at 04:59 PM about the 2004 Chevrolet Silverado 2500HD 4 Dr LS Extended Cab SB HD

Question type: Maintenance & Repair

2 Answers

67,565

No your ac should not make your check engine light come on,may need to take truck and have a obd reading on it to find other problem.

1 of 1 people found this helpful.

It may be as simple as the belt that runs your compressor broke. Check this first, it is a cheap repair.

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