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Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (2.0L) - Introduction >> Drive Cycle >> Procedure >> Drive Cycle P
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Drive Cycle P

DTC Item Condition Number of driving cycles on the detecting condition
P04F0 EVAP SYSTEM HIGH PRESSURE PURGE LINE (CPC2) PERFORMANCE Remaining fuel level 20 L or more 2
WARNING: When performing drive cycle P on a public road, pay sufficient attention to the traffic condition and give the highest priority to safe driving.
  1. Drive according to the drive pattern described below.
    G13650439Courtesy of SUBARU OF AMERICA, INC.
  2. Park the vehicle on a safe place.
    NOTE: Driving method while vehicle is driven to a stop at safe place is not restricted.
  3. With the vehicle idling, read the temporary diagnostic code of DTC using Subaru Select Monitor or general scan tool.
    NOTE: