Altima 2.5 SL L4-2.5L (QR25DE) (2002)
Oxygen Sensor: All Technical Service Bulletins
Engine Controls - MIL ON/Low Power/Poor Running
Classification:
ECO2-018
Reference:
NTBO2-082
Date:
August 12, 2002
LOW POWER/POOR RUNNING AND/OR MEL "ON" WITH FRONT 02 SENSOR/TRANSMISSION GEAR DTC STORED
APPLIED VEHICLE:
2002 Altima (L31) with QR25DE ONLY
All 2002 Sentra (B15) with QR25DE ONLY
APPLIED VIN:
2002 Altima:
Vehicles built before 1N4AL11D42C712182
APPLIED DATE:
2002 Altima:
Vehicles built before July 24, 2002
SERVICE INFORMATION
If a 2002 Altima/Sentra has:
^
Low engine power
^
Poor engine running
AND/OR
^
One or more of front 02 sensor DTC P0031/P0132/P0133/P0134/P1144 stored
^
One or more of transmission DTC P0731/P0732/P0733/P0734 stored,*
refer to the Service Procedure below to resolve this incident, if it should occur.
* The transmission DTCs can be the result of low power/poor running engine conditions.
SERVICE PROCEDURE
1.
Inspect the top, front exhaust manifold heat shield: