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Home >> Kia >> 2004 >> Rio Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Fuel System & Fault Isolation >> DTC Troubleshooting >> DTC P0455: EVAP. Emission System - Leak Detected (Large Leak) >> Inspection/Repair >> System Inspection >> PCSV to Intake Manifold Line Inspection

PCSV to Intake Manifold Line Inspection

  1. Ignition "OFF"
  2. Disconnect the hose leading from catch tank to the PCSV
  3. Using a vacuum pump, apply specified vacuum (Approx. 15 in, Hg) to the PCSV side of the valve and verify PCSV holds vacuum.
  4. Ignition "ON" & Engine "OFF"
  5. Disconnect PCSV harness connector and jumper a wire from control pin to GND
  6. Verify vacuum release while valve is activating (should hear a faint click from PCSV)
  7. Repeat this procedure 4 or 5 times to ensure PCSV reliability.
    Fig 1: Applying Vacuum To PCSV Side Of Valve
    G07331931
  8. Is PCSV working properly?

    YES

    1. Go to "CANISTER CLOSING VALVE (CCV) LINE INSPECTION " procedure

    NO

    1. Verify arrow on PCSV is pointing towards intake manifold. If it is not, reverse installation. Reinstall as necessary.
      Fig 2: Identifying Purge Control Solenoid Valve Ports
      G07331932
    2. If OK, check for cracks or damage in hose connecting PCSV and intake manifold. Repair or replace as necessary.
    3. If OK, test with a new PCSV and check for proper operation. If problem is corrected, replace PCSV and go to "VERIFICATION OF VEHICLE REPAIR " procedure
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