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Home >> Subaru >> 2012 >> Outback Base, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0451 Evaporative Emission Control System Pressure Sensor >> Enable Condition

Enable Condition

Secondary Parameters Enable Conditions
Elapsed time after starting the engine ≥ 60 s
Fuel level ≥ 9.6 (2.54 US gal, 2.11 Imp gal)
Fuel temperature < 35 °C (95 °F)
Battery voltage ≥ 10.9 V
Barometric pressure ≥ 75 kPa (563 mmHg, 22.2 inHg)