Skylark L4-138 2.3L DOHC VIN D MFI (1988)
PROM - Programmable Read Only Memory: All Technical Service Bulletins
PROM - Cold Start Stall/Driveability for 15-60 Seconds
Bulletin 89-6E-6
Date Mar., '89
Ref. No. 89-105-6E
Corp. Ref. No. 976501
SUBJECT:
COLD START STALL, TIP-IN HESITATION, ROUGH RUNNING OR MISS FOR 15 TO 60 SEC. (NEW MEM-CAL)
MODELS AFFECTED: 1988-1989 SKYLARKS WITH 2.3L (VIN D) ENGINES
Some 1988 and 1989 Skylark with 2.3L (VIN D) engine may exhibit one or more of the following conditions for the first 15 to 60 seconds after a cold
start.
-
Stall when put in gear
-
Tip-in hesitation after immediately put in gear
-
Reduced cold driveability (miss, rough running or backfire)
If any of the above conditions cannot be repaired, following proper service manual diagnosis, it may be necessary to install a new MEM-CAL.
New Mem-Cal
Model
Transaxle
Scan I.D.
Emissions
Mem-Cal
1988
Auto
6623
Federal
16136595
1988
Manual
6643
Federal
16136597
1988
Auto
6633
California
16136596
1988
Manual
6653
California
16136598
1989 models beginning with the VIN breakpoints shown below have the updated Mem-Cal. Models prior to the breakpoints may require the Mem-Cal
shown:
1989
Auto
6033
Federal
16136029
VIN KMO21960
1989
Auto
6043
California
16136030
VIN KMO24077
Parts are currently available from GMSPO.
WARRANTY INFORMATION
Labor Operation Number:
T0500
Labor Time:
.4 hrs.
Trouble Code:
92
