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Home >> Subaru >> 2018 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (1 Of 4) (STI) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0068: Map/MAF - Throttle Position Correlation >> Execution Condition

Execution Condition

EXECUTION CONDITION - LOW (EXCEPT FOR TYPE RA)

Secondary parameters Execution condition
Engine speed < 3000rpm
Charging efficiency (with atmospheric pressure compensation) > 1.2g/rev (0.04oz/rev)
Throttle position ≥ 16°
EXECUTION CONDITION - HIGH (EXCEPT FOR TYPE RA)

Secondary parameters Execution condition
Engine speed ≥ 600rpm
and
< 900rpm
Charging efficiency (with atmospheric pressure compensation) ≥ 0.46g/rev (0.02oz/rev)
Throttle position ≥ 5°
EXECUTION CONDITION - LOW (TYPE RA)

Secondary parameters Execution condition
Engine speed < 3000rpm
Charging efficiency (with atmospheric pressure compensation) > 0.85g/rev (0.03oz/rev)
Throttle position ≥ 12°
EXECUTION CONDITION - HIGH (TYPE RA)

Secondary parameters Execution condition
Engine speed ≥ 600rpm
and
< 6700rpm
Charging efficiency (with atmospheric pressure compensation) ≥ 0.25g/rev (0.01oz/rev)
Throttle position ≥ 8°