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Home >> Subaru >> 2015 >> WRX Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC) (Except STI) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0400 Exhaust Gas RECIRCULATION Flow >> Enable Conditions

Enable Conditions

ENABLE CONDITIONS

Secondary Parameters Enable Conditions
Engine speed 1300 rpm - 5000 rpm
Ambient air temperature ≥ 5°C (41°F)
Battery voltage ≥ 10.9 V
Atmospheric pressure ≥ 75 kPa (563 mmHg, 22.2 inHg)
Vehicle speed ≥ 40 km/h (24.9 MPH)
Deceleration fuel cut of 3000 ms or more Experienced
Neutral switch OFF