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Home >> GMC >> 1996 >> Forward Control 6.5 Y, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Tests W/O Codes - Gasoline >> Symptoms >> Engine Backfires >> Symptom Definition

July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Symptom Definition

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

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