Code Enable Criteria
WARNING: This page is about a different car, the 2002 Isuzu Trooper. However, it is still accessible from the selected car via links, so may be relevant.
Following conditions must be met for DTC diagnostic test to run:
- No Throttle Position (TP) sensor, Intake Air Temperature (IAT) sensor or Manifold Absolute Pressure (MAP) sensor DTCs are stored.
- Start-up engine coolant temperature is less than 90°F (32°C).
- Start-up engine coolant temperature is not 13°F (7°C) more than start-up intake air temperature.
- Start-up intake air temperature is more than 39°F (4°C).
- Start-up intake air temperature is not 4°F (2°C) more than start-up engine coolant temperature.
- Vehicle speed is less than 5 MPH.
- Throttle position is 3 percent or more.
- Minimal fuel slosh.
- Barometer (BARO) pressure is 70 kPa or more.
- EVAP system is unable to achieve or maintain vacuum during diagnostic test.
- Engine speed is less than 1200 RPM.
- Above conditions are present for 60-180 seconds.