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Home >> GMC >> 1994 >> Forward Control 5.7 K, L05, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 6.5L Diesel >> Diagnostic Trouble Code Charts >> DTC'S 91-98 - Cylinder Balance Fault

DTC'S 91-98 - Cylinder Balance Fault

CYLINDER BALANCE FAULT

If any other DTC's are set, diagnose them first. DTC's 91-98 will not light the MIL, but will be stored as a current and history DTC. Check for basic engine mechanical or cylinder fuel delivery failures (low compression, faulty nozzle, fuel leak, restricted high pressure line, etc.).