Enable Conditions
| Condition | Minimum | Maximum |
|---|---|---|
| Engine coolant temperature before EVAP purge control starts | 113 °F (45 °C) | - |
| MAP value | - | 67 kPa (20 inHg, 510 mmHg) |
| Battery voltage | 10.5 V | - |
| Fuel trim | 0.75 | 1.47 |
| EVAP canister purge valve duty | 20 % | 80 % |
| Fuel feedback | Closed loop at stoichiometric | |
| No active DTCs set (prevents monitor from running) | P0101, P0102, P0103, P0107, P0108, P0117, P0118, P0134, P0135, P0201, P0202, P0203, P0204, P0300, P0301, P0302, P0303, P0304, P0335, P0339, P0351, P0352, P0443, P0451, P0452, P0453, P0496, P0498, P0499, P1109, P1157, P1172, P1454, P2195, P2227, P2228, P2229, P2238, P2252, P2422 | |