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Home >> Subaru >> 2019 >> Ascent Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (2 Of 4) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0401: EGR Abnormal (EGR Amount Too Small) >> Execution Condition

Execution Condition

Secondary parameters Execution condition
Battery voltage
Intake air temperature
Engine speed
Vehicle speed
Neutral switch
Time while the fuel shut-off function is in operation
Compulsory drive of EGR valve delay time (low flow rate monitor only)
10.9 V or more
0°C (32°F) or more
1300 RPM - 2800 RPM
34 km/h (21.1 MPH) or more
OFF
3000 ms or more
800 ms or more