1985 Lebaron Convertible L4-135 22L Turbo - Rough Cold Idle
Technical Service Bulletin # 180386
Date: 861201
Rough Cold Idle/ Cold Driveway Die Out
Models
1985 & 1986 Vehicles Equipped With 2.2L & 2.5L EFI & Turbocharged Engine
1987 2.2L Shelby Turbo, Sundance, & Shadow With Logic Module Mounted MAP Sensor
Subject
Rough Cold Idle/ Cold Driveway Die Out
Index
DRIVEABILITY
Date
December 29, 1986
No.
18-03-86 REVISION A
P-4538-C
This is a replacement page for Technical Service Bulletin 18-03-86. Remove pages 1-2 from the existing bulletin and replace it with this one. This
revision updates the models to include 1987 vehicles with logic module mounted MAP sensors.
Symptom/Condition, Diagnosis & Parts Information
SYMPTOM/CONDITION
Rough cold idle or driveway die out after cold engine starting in low ambient temperatures (32~F or lower) due to contamination of MAP sensor or
MAP sensor connecting hose.
DIAGNOSIS
It may be necessary to diagnose this condition when the engine is cold and the ambient air temperature is below 32~F. If there is any liquid in the MAP
sensor hose or a plugged MAP sensor hose due to ice, the following repair must be performed.
PARTS REQUIRED
Underhood MAP Sensor Kit - Turbo, PN 4419402
Consisting of:
1
MAP Sensor
PN 5227492
1
Bracket (Shelby/GLH)
PN 4324065
1
Bracket (except Shelby/GLH)
PN 5227493
2
Screws (sensor to bracket)
PN 152791
2
Nuts
PN 9419784
1
Screw (bracket to fender/shock tower)
PN 6029513
1
Wiring Assembly
PN 4368706
1
Formed Vacuum Hose
PN 4201264
1
Logic Module Cover
PN 5213618
2
Vacuum Connector (3/16" x 3/16")
PN 4104998
2
Vacuum Cap (3/16")
PN 3580171
1
Terminal Insulator Assembly (grey)
PN 4368550
3
Cable Tie
PN 6015756
1
Hose Routing Label (1985)
PN 4306843
1
Hose Routing Label (1986)
PN 4306844
1
Vacuum Y Connector (3/16" x 3/16" x 3/16")
PN 4275571
Must be ordered separately:
