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Home >> Subaru >> 2021 >> Outback Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (2.5L) (Diagnostics) (2 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P0401: EGR Abnormal (EGR Amount Too Small) >> General Description >> Execution Condition

Execution Condition

Secondary parameters Execution condition
Battery voltage 10.9 V or more
Barometric pressure 75.1 kPa (563 mmHg, 22.2 inHg) or more
Ambient air temperature 7°C (44.6°F) or more
Engine speed Value of Map1 - value of Map2
Vehicle speed 36km/h (22.4MPH) or more
Park/neutral position switch OFF
Time while the fuel shut-off function is in operation 2000ms or more
Compulsory drive of EGR valve delay time (low flow rate monitor only) 1000ms or more
EXECUTION CONDITION - MAP1

Barometric pressure (kPa (mmHg, inHg)) 75.1 (563, 22.2 inHg) 86.7 (650, 25.6 inHg) 101.3 (760, 29.9 inHg)
Engine speed (rpm) 1100rpm 1100rpm 1100rpm
EXECUTION CONDITION - MAP2

Barometric pressure (kPa (mmHg, inHg)) 75.1 (563, 22.2 inHg) 86.7 (650, 25.6 inHg) 101.3 (760, 29.9 inHg)
Engine speed (rpm) 2000rpm 2100rpm 2250rpm