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evap p0455

  1. P0455 Evaporative System Malfunction, Gross Leak

    Focus ST Repair Shop / Service
    Got a check engine light on the way home from work. Pulled the code at Pep Boys and got the P0455. Appointment at the dealership for tomorrow. Hopefully it's a simple faulty purge valve. Symptoms I'm experiencing are a slight rough idle and then a intermittent tapping sound from engine bay...
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