Grand Caravan V6-181 3.0L SOHC (1989)
Absolute Pressure Sensor: All Technical Service Bulletins
Check Engine Lamp Comes On and Fault Code 13
NO.: 18-09-91
GROUP:
DRIVEABILITY
DATE:
Sept. 23, 1991
SUBJECT:
Check Engine/Power Loss Lamp On - 3.0L Engine
MODELS:
1989
(AA)
SPIRIT/ACCLAIM
1988-89
(AC)
DYNASTY/NEW YORKER/LANDAU/SALON
1989
(AG)
DAYTONA
1989
(AJ)
LEBARON COUPE/LEBARON CONVERTIBLE
1987-89
(AS)
CARAVAN/GRAND CARAVAN/CARAVAN C/V
VOYAGER/GRAND VOYAGER
SYMPTOM/CONDITION:
The vehicle's "Check Engine/Power Loss" lamp comes on and Fault Code 13 "Map Pneumatic Change" is set into the diagnostic system.
DIAGNOSIS:
Using the DRB II tester and the appropriate diagnostic manual, verify that Fault Code 13 "MAP Pneumatic Change", and no other fault code, is present.
Visually inspect both the MAP sensor vacuum hose and wiring connector to insure proper installation. Perform the applicable tests in the diagnostic
manual to verify that the MAP sensor is operating properly.
PARTS REQUIRED:
1
MAP Sensor Relocation Package
4638458
Package Contents:
1
Cap Plug (1987-88 vehicles)
3580172
1
Cap Plug (1989 vehicles)
4241618
1
Purge Jumper Assembly
4669038
Consisting of:
1
In-Line Vacuum Connector
4201275
1
Vacuum Tee
33000227
1
11" Vacuum Hose
4104272
1
Bleed/Hose Assembly
4669042
Consisting of:
1
Vent
53007494
1
1" Vacuum Hose
4713956
1
Vacuum Tee
4669041
2
Vacuum Hose With 90 Degree Bend
4669044
1
Bracket
4686013
1
Wiring Harness
4687141
5
Tie Wraps
6015756
REPAIR PROCEDURE:
This repair involves relocation of the MAP sensor.
1.
Being sure that ignition key is in the OFF position, disconnect the negative battery cable.
2.
Disconnect wiring connector, vacuum hose and attaching bolts. Remove MAP sensor from its present location.
3.
Remove MAP sensor hose from vacuum tree on right side of intake manifold and install cap plug (3580172 for 1987 and 1988 vehicles or 4241618
