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2011 Chevrolet Silverado 1500 Hybrid – Engine Misfire With P0300

Aug 16
1 min read

CUSTOMER CONCERN

The engine misfires and stores DTC P0300, with the misfire isolated to one cylinder.

CAUSE

Swapping the spark plug and wire moved the misfire to another cylinder, confirming failed ignition secondary components.

CORRECTION

Remove and replace the spark plugs and spark-plug wires, clear DTC P0300, and verify the misfire is eliminated.

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2011 Chevrolet Silverado 1500 Hybrid – Engine Misfire With P0300

CUSTOMER CONCERN

CAUSE

CORRECTION

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