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Home >> Toyota >> 2020 >> Avalon Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Engine Control System - Diagnostic Codes [A25A-FKS] (P0365-P0606)) >> SFI System >> DTC P0455-00: Evaporative Emission System Leak Detected (Large Leak); DTC P0456-00: Evaporative Emission System Leak Detected (Very Small Leak) [08/2020 - ] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2021 Toyota Avalon. 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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