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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Self-Diagnostics - 4.3L >> Diagnostic Tests >> DTC P0300-P0306: Engine Misfire Detected >> Conditions For Setting DTC

Conditions For Setting DTC

The Powertrain Control Module (PCM) detects a deceleration in the crankshaft speed that is characteristic of either an emission type misfire or of a catalyst-damaging type misfire.

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