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Home › Oldsmobile › 1997 › Achieva SC, 2.4 T, Automatic, 4T60E/M13 › Repair and Diagnosis › Engine Performance › System › Engine Controls W/O Codes - 2.4L Engine › Symptoms › Engine Backfires › Symptom Definition

Symptom Definition

Fuel ignites in intake manifold or in exhaust system, making a loud popping noise.

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