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Home >> Subaru >> 2019 >> WRX STI Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Control System (Diagnostics) (Except For STI) (1 Of 4)) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P0088: Fuel Rail/System Pressure - Too High Bank 1 >> Diagnostic Method

Diagnostic Method

WARNING: This page is about a different variant/trim than selected.

If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.

JUDGMENT VALUE SPECIFICATION

Malfunction Criteria Threshold Value DTC
Actual fuel pressure - Target fuel pressure < -3300 kPa (24752.1 mmHg, 974.5 inHg) P0087
Actual fuel pressure - Target fuel pressure > 6000 kPa (45003.8 mmHg, 1771.8 inHg) P0088

Time needed for diagnosis:  10 seconds

Malfunction indicator light illumination:  Illuminates as soon as a malfunction occurs.