S10/T10 Blazer 4WD V6-262 4.3L VIN Z (1994)
This bulletin advises of a revision to the DTC 43 Knock Sensor (KS) Circuit (Dual Knock Sensor System) chart in the following service manuals:
1994 S/T Driveability Emissions and Electrical Diagnosis Manual, page 3A-119
1994 M/L Driveability Emissions and Electrical Diagnosis Manual, page 3A-75
1994 C/K Driveability Emissions and Electrical Diagnosis Manual, page 3A-69