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Home >> Subaru >> 2019 >> WRX STI >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (STI) (1 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P0101: Mass Or Volume Air Flow Sensor "A" Circuit Range/Performance >> Execution Condition

Execution Condition

SECONDARY PARAMETERS AND EXECUTION CONDITION - LOW

Secondary parameters Execution condition
Engine speed ≥1600rpm
Throttle position ≥12°
Intake manifold pressure (with atmospheric pressure compensation) ≥73.3 kPa (550 mmHg, 21.7 inHg)
SECONDARY PARAMETERS AND EXECUTION CONDITION - HIGH

Secondary parameters Execution condition
Engine speed ≥600 rpm
and
< 900 rpm
Throttle position < 5°
Intake manifold pressure (with atmospheric pressure compensation) < 49.3 kPa (370 mmHg, 14.6 inHg)