Conditions for Running the DTC
WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
- DTC P0030, P0031, P0032, P0036, P0037, P0038, P0053, P0054, P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0117, P0118, P0119, P0121, P0122, P0123, P0128, P0131, P0132, P0133, P0135, P0137, P0138, P0141, P0171, P0172, P0201, P0202, P0203, P0204, P0222, P0223, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0300, P0301, P0302, P0303, P0304, P16F3, P2101, P2135, P2270, or P2271 is not set.
- Ignition voltage is between 10 - 32 V.
- HO2S heater resistance is learned.
- Accelerator pedal position is no more than 3%.
- Mass air flow (MAF) is between 2 - 20 g/s.
- Fuel level is greater than 10%.
- Fuel system is in closed loop.
- Evaporative emissions (EVAP) diagnostics are not in control of purge.
- Predicted catalyst temperature is between 550 - 910°C (1,022 - 1,670°F).
- HO2S heater is commanded On for greater than 60 s.
- Engine speed is between 1,900 - 3,500 RPM to initially enable the test.
- Engine speed is between 1,850 - 3,650 RPM to keep the test enabled.
- Vehicle speed is between 66 - 125 km/h (41 - 78 mph) to initially enable the test.
- Vehicle speed is between 58 - 128 km/h (36 - 80 mph) to keep the test enabled.
- Engine is operating in decel fuel cut off (DFCO).
This diagnostic attempts one test during each valid decel fuel cut off period once the above conditions have been met. This diagnostic attempts up to 3 tests during each drive cycle.