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Home >> GMC Truck >> 1999 >> C 1500 Truck 2WD V8-5.3L VIN T >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> Misfiring Cylinder

Misfiring Cylinder

The scan tool displays Prim. Cyl # 0-8 and Sec. Cyl # 0-8. When a multiple misfire occurs, the scan tool displays the cylinder with the most significant misfire under Prim. Cyl. The scan tool displays the least significant misfire under Sec. Cyl.
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