Cavalier/Z24 L4-134 2.2L (1991)
Ignition Control Module: All Technical Service Bulletins
Engine - Stalls/No Start/Runs Rough/Code 42 Set
Number:
91-453-6D
Section:
6D
Date:
NOV. 1991
Corporate Bulletin No.: 136405
ASE No.: A6, A8
Subject:
INTERMITTENT DIAGNOSTIC TROUBLE CODE 42 AND/OR DRIVEABILITY
Model and Year:
1990-91 CAVALIER, CORSICA AND BERETTA WITH 2.2L ENGINE
Condition:
Some 1990-91 J and L vehicles equipped with the 2.2L (LM3) engine may intermittently exhibit one or more of the following
conditions:
*
ECM Diagnostic Trouble Code 42 set, with no trouble found.
*
Engine stalling rough running, with no trouble found.
*
Intermittent no-start, with no trouble found.
*
ECM fuse blown, with no trouble found.
Cause:
DIS (Ignition) module lead wiring may be subject to a rub-through condition at the engine wiring harness bracket where it is mounted at
the transaxle case. In addition, a similar condition may also exist on the transaxle case near the same location, from a sharp edge formed
during case casting, when equipped with manual transaxle.