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Home >> Toyota >> 2016 >> Highlander LE Plus, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 (SFI System (2GR-FXS) - Diagnostic Codes - (Hybrid) (1 Of 4)) >> SFI System >> DTC P1422: Fuel Tank Small Leak; DTC P1423: Fuel Tank Gross Leak [11/2016 - 10/2017] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
P1422: FUEL TANK SMALL LEAK

Fuel tank pressure when vacuum introduction for fuel tank was complete Between conditions 1 and 2
Condition 1 Higher than third reference pressure
Condition 2 Lower than [third reference pressure x 0.2]
P1423: FUEL TANK GROSS LEAK

Fuel tank pressure when vacuum introduction for fuel tank was complete Higher than [third reference pressure x 0.2]
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