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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 405 (Engine Controls - Self Diagnostics - 6.6L) >> Diagnostic Tests >> DTC P0300: Engine Misfire Detected >> Diagnostic Aids

Diagnostic Aids

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

A misfire with no other DTCs will be caused by an engine mechanical or fuel injector problem.

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