Vehicle Questions and Answers
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If the check engine light is flashing in your 2002 Chevy TrailBlazer, I can confidently say that it's not a good sign. The flashing light indicates a misfire detected by the computer in the engine. This misfire can lead to unburned fuel entering the exhaust system, which is risky and can cause the catalytic converter to overheat and suffer significant damage. If this occurs, be prepared to shell out a substantial sum for repairs. It's crucial to take your vehicle to a repair shop promptly to prevent the situation from deteriorating further.
If the check engine light on your 2002 Chevy Trailblazer is flashing, it indicates ignition problems causing a misfire in the engine. However, the computer is unable to pinpoint the specific cylinder where the misfire is occurring.