Skyhawk L4-121 2.0L VIN K TBI (1987)
PROM - Programmable Read Only Memory: Customer Interest
Engine - Highway Chuggle and Spark Knock Concerns
Bulletin:
87-6E-28
Date:
Nov. '88
Ref. No.:
87-234-6E
Corp. Ref. No.: 836538
SUBJECT:
HIGHWAY CHUGGLE AND SPARK KNOCK CONCERNS
MODELS AFFECTED: 1987 SKYHAWKS WITH 2.0L OHC ENGINES (VIN CODE K)
Customers comments that identify a highway low-speed chuggle or spark knock concern may be repaired with the following changes.
^
Intake Manifold Drop-Tube Kit Part Number 10106050
^
EGR Valve:
Automatic Transmission Part Number 17112004
Manual Transmission
Part Number 17112005
^
PROM Package:
NEW
I.D.
NEW
Transmission
PROM P/N
(SCAN TOOL)
Broadcast Code
Automatic
16129056
9092
ANXH
Manual
16129057
9072
ANXD
Parts are currently available from GMSPO.
If driveability conditions still continue after the above changes, refer to Service Manual Section 6E2-B for further directions.
WARRANTY INFORMATION
Labor Operation Number:
T1384
Labor Time:
.9 Hours
Trouble Code:
92
