Colt L4-1597cc 1.6L VIN 3 2-BBL (1983)
Technical Service Bulletin # 143383
Date: 830901
Engine - Unstable Idle Speed
Models
1983 Colt & Champ Equipped With Air Conditioning
Subject
Unstable Idle Speed/Revised Throttle Opener Adjustment
Index
FUEL
Date
September 12, 1983
No.
14-33-83
P-3247-C
Symptom/Condition & Parts Required Information
SYMPTOM/CONDITION
Automatic Transaxle
^
Engine surges + or - 150 rpm from specification with air conditioning on.
^
Throttle opener adjustment erratic and difficult to set with air conditioning on.
Manual Transaxle
^
Engine speed increases to 1200-1600 rpm when air conditioning compressor cycles off.
PARTS REQUIRED
1 - Sub-Harness Assembly
PN MB338249
1 - Authorization Modification Label
PN 4275086
Repair Procedure
Automatic Transaxle - 1.6 Liter Engine
Install tachometer and prepare vehicle for the following idle setting conditions:
^
Bring engine to full operating temperature..
^
All lights and accessories off.
^
Transaxle in neutral.
^
Parking brake applied.
^
Radiator fan off (disconnect fan if necessary).
