Conditions for Running the DTC: P0140
WARNING: This page is about a different car, the 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- The engine is running.
- The HO2S 2 heater is stable, and the estimated exhaust temperature was more than 250°C (482°F) for more than 90 seconds.
- The ignition voltage is more than 10.5 volts.
- The estimated exhaust temperature is less than 800°C (1,472°F).
- DTC P0140 runs continuously when the above conditions are met.