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2015
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WRX STI
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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) (STI)
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Diagnostic Trouble Code (DTC) Detecting Criteria
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DTC P2431 Secondary Air Injection System Air FLO/RESSURE Sensor Circuit Range/Performance
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Enable Conditions
Enable Conditions
ENABLE CONDITIONS
Secondary Parameters
Enable Conditions
Elapsed time after ignition switch to OFF
< 60000 ms
Soaking time
≥ 60 s
After secondary air system stops
≥ 3000 ms