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Home >> Lexus >> 2006 >> IS 250 RWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Engine Control System (2GR-FSE)) >> SFI System >> DTC P0455 Evaporative Emission Control System Leak Detected (Gross Leak); DTC P0456 Evaporative Emission Control System Leak Detected (Very Small Leak) >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2006 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.

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

P0455: EVAP gross leak 

TYPICAL MALFUNCTION THRESHOLDS

FTP when vacuum introduction complete Higher than reference pressure x 0.2

P0456: EVAP small leak 

TYPICAL MALFUNCTION THRESHOLDS

EVAP pressure when vacuum introduction is complete Between reference pressure and reference pressure x 0.2
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