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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 124 (Engine Control System (A25A-FXS) - Diagnostic Codes (16 Of 20)) >> SFI System >> DTC P1422-00: Evaporative Emission Fuel Tank (Small Leak); DTC P1423-00: Evaporative Emission Fuel Tank (Gross Leak) [08/2020 - 08/2021] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

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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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