| Detection Criteria | Threshold |
|---|---|
| P0452 | |
| Fuel tank pressure | Less than -3.999 kPa (-30 mmHg, -1.18 in.Hg) /when engine running: Go To Next Step. |
| P0453 | |
| Fuel tank pressure | 1.999 kPa (15 mmHg, 0.59 in.Hg) or more/when engine running. |
TYPICAL MALFUNCTION THRESHOLDS (P0452 AND P0453)