S10/T10 P/U 4WD V6-4.3L VIN X (1996)
Oxygen Sensor: All Technical Service Bulletins
MIL ON - Engine Rough, Miss, and O2 Sensor DTC's
File In Section: 6E - Engine Fuel & Emission
Bulletin No,: 77-65-12
Date: April, 1997
Subject:
Engine Rough, Miss, and Oxygen Sensor DTCs
(Replace Oxygen Sensor Jumper Harness)
Models:
1996-97 Chevrolet and GMC Sir Models
1996-97 Oldsmobile Bravada
with 4.3L V6 Engines (VINs W, X - RPOs L35, LF6)
Condition
Some owners may comment about an engine miss and/or roughness and a SES light.
Cause
