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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Engine Control System - Diagnostic Codes (01 Of 10)) >> SFI SYSTEM (for Gasoline Model) >> DTC P0088-00: Fuel Rail / System Pressure - Too High [10/2022 - ] >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

If the fuel pressure (for high pressure side) increases despite a decrease request signal being sent to the fuel (engine room side) pump assembly (for high pressure side) by the ECM, the ECM will illuminate the MIL and store this DTC.

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