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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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Testing & Diagnosis
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Engine Control System (Diagnostics) (P0171 To P0685) (2.5L)
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
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DTC P0458 EVAP System (CPC) Purge Control Valve "A" Circuit Low
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Execution Condition
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Execution Condition
Secondary parameters
Execution condition
Battery voltage
≥ 10.9 V
Duty ratio of "ON"
< 0.75