Possible Causes
WARNING: This page is about a different car, the 2002 Nissan Pathfinder and 2002 Infiniti QX4. However, it is still accessible from the selected car via links, so may be relevant.
ECM illuminates MIL and sets DTC P0133 when Bank 1 HO2S 1 response time is too long.
ECM illuminates MIL and sets DTC P0153 when Bank 2 HO2S 1 response time is too long. Possible causes are:
- HO2S 1 circuit open or shorted.
- Poor, loose, corroded or damaged terminal connections.
- Defective HO2S 1.
- Defective HO2S 1 heater.
- Fuel pressure incorrect.
- Defective injectors.
- Intake air leaks.
- Exhaust leaks.
- Defective PCV valve.
- Defective Mass Airflow (MAF) sensor.