DTC P0131 Or DTC P0132: Condition
WARNING: This page is about a different car, the 2002 Suzuki Esteem. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0131 is set when Heated Oxygen Sensor (HO2S) No. 1 minimum output voltage is .04 volt or more. DTC P0132 is set when HO2S No. 1 maximum output voltage is more than 1.2 volts or is 0.6 volt or less. MIL is illuminated when Engine Control Module (ECM) detects malfunction during 2 consecutive drive cycles. Possible causes are:
- HO2S No. 1 malfunction.
- HO2S No. 1 circuit malfunction.
- Fuel system malfunction.
- ECM malfunction.
- Low fuel level.