Code 43 - Service Manual Update

9223buick04

Bulletin:
91-6E-1

Date:
Sept. '90

Ref. No.:
91-022-6E

Corp. Ref. No.:
016530


SUBJECT:
SERVICE MANUAL UPDATE - SECTION 6E3 - DRIVEABILITY
AND EMISSIONS - REVISED CODE 43

MODELS AFFECTED:
1987-88 SKYHAWK WITH 2.0 (VIN M) ENGINE
1988-91 SKYLARK WITH 2.3 (VIN D) ENGINE
1988-89 REGAL WITH 2.8 (VIN W) ENGINE
1989-91 REGAL WITH 3.1 (VIN T) ENGINE








This bulletin replaces current Code 43 Charts and Facing Pages in the Service Manual Section 6E3 "Driveability And Emissions" for the vehicle applications listed below.

The diagnostic procedure should be used in conjunction with the appropriate service manual application to identify proper ECM connector terminal designation.

Models Affected:

1987-1988 2.0L VIN M SKYHAWK
1988-1991 2.3L VIN D SKYLARK
1988-1989 2.8L VIN W REGAL
1989-1991 3.1L VIN T REGAL