DTC P0151: Heated Oxygen Sensor Bank No. 2 (Right Bank), Sensor No. 1 (B2 S1), Low Input: Condition
WARNING: This page is about a different car, the 2002 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set when HO2S Bank 2, Sensor 1 maximum output voltage is 0.4 volt or less. MIL is illuminated when ECM (PCM) detects malfunction during 2 consecutive drive cycles. Possible causes are:
- HO2S Bank 2, Sensor 1 malfunction.
- Fuel injector malfunction.
- Fuel pressure control system malfunction.
- ECM (PCM) malfunction.