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Home >> Kia >> 2011 >> Soul Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) - 1.6L >> DTC P0139: O2 Sensor Circuit Slow Response (Bank 1/Sensor 2) >> Inspection/Repair >> System Inspection >> Check Fuel Line

Check Fuel Line

  1. Check for clog, contamination, and installation of Fuel Line as follows:

    Connection for each connectors in Fuel Line.

    Damage, interference, and installation of vacuum hose connected to Fuel Line.

    Bend, leakage and squeeze of pipe in Fuel Line.

    YES 

    Go to "CHECK FUEL PRESSURE " procedure.

    NO 

    Repair or replace as necessary, and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

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