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Home >> Lexus >> 2010 >> GS 350 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 168 (Engine Control System (DTCS P0420 - U0101 & Circuit Tests)) >> 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 2009 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
P0455: EVAP GROSS LEAK

EVAP pressure when vacuum introduction is complete Higher than reference pressure x 0.2
P0456: EVAP SMALL LEAK

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