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Home >> Lexus >> 2023 >> NX 250 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 88 (Engine Control System - Diagnostic Codes (P11EA-P1422)) >> SFI System >> DTC P1422-00: Evaporative Emission Fuel Tank (Small Leak); DTC P1423-00: Evaporative Emission Fuel Tank (Gross Leak) [03/2022 - ] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
Required Sensors/Components (Main) Fuel tank pressure sensor
Fuel vapor-containment valve
Required Sensors/Components (Related) -
Frequency of Operation Once per driving cycle
Duration Within 20 minutes
MIL Operation 2 driving cycles
Sequence of Operation None