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Home >> Lexus >> 2008 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 172 (Engine Control System - SFI System Diagnostics (1 Of 4)) >> DTC P0088 Fuel Rail / System Pressure - Too High >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

If the fuel pressure does not decrease even after the ECM commands the high-pressure fuel pump to open the spill control valve, a DTC is output

If there is minimal difference between the fuel pressure before and after the fuel relief valve operates, a DTC is output

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