D 150 Pickup V6-239 3.9L (1992)
Engine Control Module: Customer Interest
PCM - Sag Hesitation and Rough Idle
NO.: 18-03-93 Rev. A
GROUP: Driveability
EFFECTIVE DATE: Oct. 8, 1993
SUBJECT:
3.9L Sag, Hesitation Or Rough Idle
NOTE:
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 18-03-93 WHICH SHOULD BE REMOVED FROM YOUR FILES.
1993/1994 MODEL YEAR APPLICATIONS AND PART NUMBERS HAVE BEEN ADDED. REVISIONS ARE HIGHLIGHTED WITH
**ASTERISKS**.
MODELS:
1992-**1993** (AB)
Ram Van/Wagon
(AD)
Ram Pickup/Ram Cab Chassis/Ramcharger
(AN)
Dakota/Dakota Sport/Dakota Cab Chassis
**1994
(AB)
Ram Van/wagon (Built between VIN xxxxxRK500001 and
xxxxxRK585607)**
NOTE:
THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH A 3.9L ENGINE AND AUTOMATIC TRANSMISSION.
SYMPTOM/CONDITION:
Sag, hesitation, or rough idle after a cold engine start up. This bulletin will not effect performance after the engine has reached operating temperature.
DIAGNOSIS:
Using the Scan Tool (DRB II) and appropriate diagnostic procedure manual or the Mopar Diagnostic System, verify that all vehicle systems are
functioning as designed. If Trouble Codes (Diagnostic Trouble Codes) are present, record them on the repair order for future reference, and repair as
necessary. If no codes are present and all systems are functioning correctly, proceed with the following repair.
PARTS REQUIRED:
REPAIR PROCEDURE:
1.
Using the procedures outlined in the service manual, replace the Powertrain Control Module with the appropriate part listed.
