| Detection Criteria | Threshold |
|---|---|
| Either the following condition is met | A or B |
| A. Following conditions are met | (a) and (b) |
| (a) Fuel tank pressure at the vacuum introduction start | 1.6 kPa (-12 mmHg, -0.47 in.Hg) or more |
| (b) Difference between the fuel tank pressure at the vacuum introduction start and completion | Less than 0.9 kPa (7 mmHg, 0.27 in.Hg) |
| B. Following conditions are met | (a) and (b) |
| (a) Difference between "minimum" fuel tank pressure before the leak check and the fuel tank pressure at 14 sec. after the leak check | 0.5 kPa or more (3.5 mmHg, 0.15 in.Hg) |
| (b) Fuel tank pressure at 14 sec. after the leak check | Less than -3.7 kPa (-28 mmHg, -1.1 in.Hg) |
TYPICAL MALFUNCTION THRESHOLDS - P0441