PROM - Idle Surge/Engine Detonation

91buick06

Bulletin: 92-6E-1

Date: June '91

Ref. No.: 92-007-6E

Corp. Ref. No.: 136512


SUBJECT: IDLE SURGE AND/OR DETONATION
(REVISED CALIBRATION PROM)

MODELS AFFECTED: 1992 ROADMASTER SEDANS


CONDITION:

Some owners of 1992 Roadmaster sedans with the 5.7L (VIN 7, L05 V8) engine
may comment about idle surge and/or detonation.

CORRECTION:

The PROM calibration has been refined to address the above driveability comments.

If the vehicle was built prior to VIN break NR406374, replace the PROM with the following part number.

Broadcast Scanner Part
Code I.D. Number Engine Application

AYKC 5321 16165388 5.7L L05 Nationwide Emissions

Parts are currently available from GMSPO.

Labor Operation Number: T0500
Labor Time: 0.5 hrs