Check engine light

Asked by Shanny87 Apr 18, 2019 at 05:00 AM about the 2003 Chevrolet Trailblazer LT 4WD

Question type: Maintenance & Repair

My check engine light popped on out of nowhere

1 Answer
9,530

Mike answered 5 years ago

A little more info would help like how does it run? Has it ever been tuned? Look around the engine compartment for broken or disconnected wires or vacuum hoses.

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