Common EVAP Enable Criteria
- System voltage is between 11V and 16V.
- Barometric Pressure (BARO) is greater than 72.3 kPa (10.5 psi).
- Engine soak time is greater than 720 minutes. Or, at startup IAT-ECT is less than 8°C (46.4°F).
- At start up, Engine coolant temperature (ECT) and Intake Air Temperature (IAT) are between 4°C (39.2°F) and 34°C (93.2°F).
- Startup IAT-IAT is less than 3°C (5.4°F).
- Purge enable time is less than pre-determined value based on startup ECT.
- Fuel level is between 6% and 93%.
- Engine run time is between 1 second and 360 seconds plus purge enable time.