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Home >> Kia >> 2014 >> Rio EX, 4D Hatchback >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC P0453: Evaporative Emission System-Pressure Sensor High Input >> Inspection Repair >> Component Inspection

Component Inspection

  1. IG "OFF" & connect GDS.
  2. ENG "ON" and Race the accelerator pedal at idle and Monitor "FTPS" parameter is changing while PCSV is operating on the service data.

    Specification:  Fuel Tank Pressure is O.K if pressure changes more than 0.2 while racing accelerator pedal.

  3. Does the FTPS change while racing the accelerator pedal at idle?

    YES 

    Fault is intermittent. Drive the vehicle to satisfy the enable condition then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    Substitute with a known - good FTPS and check for proper operation. If the problem is corrected, replace FTPS and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

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