O2 Sensor - Tip In Sags/Hesitations/Rough Idle: Overview

NO: 18-12-98

GROUP: Vehicle Performance

EFFECTIVE DATE: Mar. 20, 1998

SUBJECT:
Tip-In Sags/Hesitations Or Rough Idle After A Hot Soak Restart

MODELS:

1996 - 1998 (NS) Caravan/Voyager/Town & Country

NOTE:
THIS INFORMATION APPLIES to VEHICLES WITH A 3.0L ENGINE.

SYMPTOM/CONDITION:

Off idle tip-in sags/hesitations or rough idle after a 5 to 90 minute hot soak restart. This condition may be more prevalent in warmer ambient temperatures and may clean up within 2 minutes of operation. MIL illumination or DTC's are not associated with this issue.

DIAGNOSIS:

Using the Mopar Diagnostic System (MDS) or the Diagnostic Scan Tool (DRB III) with the appropriate Diagnostic Procedures Manual, verify all engine systems are functioning as designed. If Diagnostic Trouble Codes (DTC's) are present, record them on the repair order and repair as necessary before proceeding further with this bulletin. If no DTC's are present and no other reasons are found, perform the Repair Procedure.

PARTS/EQUIPMENT REQUIRED:

1 CH6000 Scan Tool (DRB III)
1 CH7035 General Purpose Interface Bus Cable (GPIB)
1 CH7000/7001 J1962 Cable (1)
1 05013110AA Kit, Oxygen Sensor Jumper
AR 04641780 Tie Strap
AR 04778570 Heat Shrink Tubing
AR (1) 04778138 Tape, Cloth Underhood Electrical
1 6932 Terminal Pick, Miller Tool

POLICY: Reimbursable within the provisions of the warranty.

TIME ALLOWANCE:

Labor Operation No: 08-94-TF-92 0.7 Hrs.

FAILURE CODE: P8 - New Part