Typical Malfunction Thresholds

"Saturated" indicates that the EVAP pressure change is less than 0.1 kPa (0.75 mmHg) in 30 seconds.

P0455: EVAP gross leak

-

FTP when vacuum introduction complete

Higher than reference pressure x 0.2

P0456: EVAP small leak

-

FTP when vacuum introduction complete

Between 1 and 2

Condition 1.

Higher than second reference pressure

Condition 2.

Lower than reference pressure x 0.2

Atmospheric pressure (absolute pressure)

70 kPa (525 mmHg) or more, and less than 110 kPa (825 mmHg)

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