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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 231 (Engine Controls - Trouble Shooting - No Codes - 4.3L) >> Symptoms >> Engine Backfires >> Symptom Definition

Symptom Definition

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

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

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