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Subaru
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2009
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Forester XT
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC)
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Diagnostic Trouble Code (DTC) Detecting Criteria
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DTC P2431 Secondary Air Injection System Air Flow/Pressure Sensor Circuit Range/Performance
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Enable Condition
Enable Condition
ENABLE CONDITION
Secondary Parameters
Enable Conditions
Engine speed
< 300 RPM
Vehicle speed
< 1 km/h (0.6 MPH)
After secondary air system stops
≥ 2976 ms