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Home >> Subaru >> 2016 >> WRX Premium, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Diagnostic Trouble Code (DTC) Detecting Criteria) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P219A Bank 1 Air-Fuel Ratio Imbalance >> Execution Condition

Execution Condition

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VALUE SPECIFICATION - MONITOR A1 PRIMARY OXYGEN SENSOR FLUCTUATION

Secondary Parameters Execution condition
Battery voltage ≥ 10.9 V
Barometric pressure ≥ 75.1 kPa (563 mmHg, 22.2 inHg)
Closed loop control with primary oxygen sensor Closed
Engine speed > 1600 rpm
  and
  < 3200 rpm
Intake air mass per crankshaft revolution > 0.80 g/rev (0.03 oz/rev)
SPPED SPECIFICATION - MONITOR B1 CRANKSHAFT SPEED FLUCTUATION

Secondary Parameters Execution condition
Misfire diagnosis monitor Active
Accelerator pedal position 0%
Vehicle speed ≤ 482.78 km/h (300 MPH)
Engine speed > 1800 rpm
  and
  < 2800 rpm
Intake air mass per crankshaft revolution > 0.8 g/rev (0.03 oz/rev)
  and
  < 1.5 g/rev (0.05 oz/rev)
Fuel system status (Primary Oxygen sensor) = Closed loop