PROM - Low Speed Driveability or Spark Knock
NUMBER:92-T-68A
CORP.REF.NO:
276110
DATE:
December 1992
SECTION:
6E3
SUBJECT:
DRIVEABILITY IMPROVEMENTS, REPLACE PROM
MODELS/YEARS:
1991-92 CUSTOM CRUISER WITH 5.0L (VIN E) OR 5.7L (VIN 7) ENGINES
This bulletin cancels and supersedes Dealer Technical Bulletin 92-T-68 which should be discarded.
CONDITION:
Some 1991 and 1992 Custom Cruiser models with either the 5.0L (VIN E) or 5.7L (VIN 7) engine may exhibit low speed driveability or engine detonation (spark knock).
CORRECTION:
The calibrations have been refined to address these concerns. Replace the PROM with the appropriate P/N from the table below:
Note:
For Custom Cruiser with 5.0L (VIN E) only. Verify the part number of the following items. These components were factory installed.
DESCRIPTION PART NUMBER
EGR Valve 17090156 (Stamped on Valve)
17112373 (GMSPO Kit)
ESC Module 16175099 (Broadcast Code BARC)
Model Broadcast Scanner Part
Year Application Code I.D. Number
1991 5.0 (LO3) AYMJ 5941 16165912
California emissions
1991/92 5.0L(L03) BCDU 1391 16181390
Federal emissions
1991/92 5.7L(L05) BATJ 5901 16175898
Nationwide emissions
Parts are currently available from GMSPO.
SERVICE INFORMATION:
Labor Operation:
T0500
Labor Time:
0.4 hour
Trouble Code:
92