Knock Sensor - Replacement/Revised DTC P0122/P0154

File In Section: 6E - Engine Fuel & Emission

Bulletin No.: 81-65-39

Date: May, 1998

SERVICE MANUAL UPDATE

Subject:
Section 6/6E - Revised DTC PO122, DTC PO154 and Knock Sensor Replacement Procedure

Models:
1996-97 Chevrolet and GMC S/T Models
1996-97 Oldsmobile Bravada
with 4.3L Engine (VINs W, X - RPOs L35, LF6)


























This bulletin revises DTC P0122, DTC P0154 and the Knock Sensor Replacement Procedure in Sections 6 and 6E of the appropriate Service Manuals as follows:

DTC PO122 - Change Step 3 YES answer to "Go to Step 12" in the following Service Manuals:

1996 S/T Truck Book 2, Page 6E-449
1997 S/T Truck Book 2, Page 6-900

DTC PO154 - Change all HO2S diagnostic table callouts to "Bank 2 Sensor 1" in the following Service Manual:

1997 S/T Truck Book 2, Pages 6-956 and 6-957

Attach the revised Knock Sensor Replacement procedure to the following Service Manuals:

1996 S/T Truck Book 2, Pages 6E-762, 763
1997 S/T Truck Book 2, Pages 6-1220, 1221