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Home >> Subaru >> 2021 >> Ascent Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (2 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0191: Fuel Rail Pressure Sensor Circuit Range/Performance Bank 1 >> General Description >> Outline Of Diagnosis

Outline Of Diagnosis

Judge as NG when the difference of values between fuel pressure sensor main signal and sub signal is equal to or more than the predetermined value.