DTC P0131 Or DTC P0132: Condition
WARNING: This page is about a different car, the 2003 Suzuki Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0131 is set when Heated Oxygen Sensor No. 1 (HO2S-1) maximum output voltage is .06 volt or less and average minimum output voltage is .03 volt or less. DTC P0132 is set when HO2S-1 maximum output voltage is .74 volt or more and average minimum output voltage is .33 volt or more. MIL is illuminated when Engine Control Module (ECM) detects either malfunction during 2 consecutive drive cycles. Possible causes are:
- ECM malfunction.
- Fuel system malfunction.
- HO2S-1 malfunction.