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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 369 (Engine Controls And Fuel - 5.3L, 6.0L & 6.2L - DTC P0010 Through DTC P0442) >> Diagnostic Information and Procedures >> DTC P0300-P0308 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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DTC P0300 

The ECM is detecting a crankshaft speed change indicating a random misfire is occurring that exceeds mandated emission level standards or is at catalytic converter damaging levels.

DTC P0301, P0302, P0303, P0304, P0305, P0306, P0307, or P0308 

The ECM is detecting a crankshaft speed change indicating a single cylinder misfire is occurring that exceeds mandated emission level standards or is at catalytic converter damaging levels.

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