600 L4-135 2.2L SOHC Turbo (1985)
Powertrain Control Module: All Technical Service Bulletins
ECM - Poor Driveability Above 3,000 Foot Elevation
Models
1985 2.2L EFI With Federal or California Emission System - Automatic Transmission Only
Subject
Sag & Hesitation on Light to Medium Acceleration
Index
DRIVEABILITY
Date
April 1, 1985
No..
18-21-85
P-1068-C
SYMPTOM/CONDITION
A condition may exist on subject model vehicles of sag or hesitation under light to medium tip-in acceleration at attitudes above 3,000 feet above sea
level.
NOTE:
THIS PROCEDURE APPLIES TO VEHICLES WITH 2.2L ELECTRONIC FUEL INJECTION BUILT PRIOR TO EARLY
NOVEMBER, 1984, AND EQUIPPED WITH LOGIC MODULE PN 5226251 OR 5226789 FOR FEDERAL OR PN 5226254
OR 5226792 FOR CALIFORNIA.
DIAGNOSIS/REPAIR
Thorough diagnosis should be performed using the Driveability Test Procedure.
If diagnosis reveals no other cause for the condition, check the part number of the logic module. If equipped with module PN 5226251 or 5226789
(Federal) or PN 5226254 or 5226792 (California), replace the module.
PARTS REQUIRED
1 - Federal Logic Module
PN 5226972
1 - California Logic Module
PN 5226978
Perform the logic module replacement per the appropriate service manual procedures.
POLICY:
Reimbursable within the provisions of the warranty
TIME ALLOWANCE:
Refer to Labor Operation Time Schedule for operation and time.
