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Home >> Subaru >> 2017 >> WRX Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (P0171 To P0685) (2.0L) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0191 Fuel Rail Pressure Sensor Circuit Range/Performance Bank 1 >> Execution Condition

Execution Condition

Secondary parameters Execution condition
Integrated intake air mass during previous driving cycle > 10000 g
Soak time > 21600 s
Block heater detection Complete
Block heater use
(Refer to Definition List #4)
Not detected
Engine Coolant Temperature (ECT) continues dropping at each wake up True(1)
(1) As defined by ECT at this wake up < ECT at last wake up