Contents Section: Testing & Diagnostics All sections

DTC P0441 OR DTC P0443 Kia Optima I рестайлинг

Code Definition

  1. DTC P0441: EVAP Emission Control System Purge Solenoid Valve Stuck Open
  2. DTC P0443: EVAP Emission Control System Purge Solenoid Valve Circuit Malfunction

Note. Before performing any diagnostic test, refer toWARNINGS, CAUTIONS and NOTES in DIAGNOSTIC TESTS .

Note. Testing individual components does not isolate shorts or opens. Perform all voltage tests using a Digital Volt-Ohmmeter Meter (DVOM) with a minimum 10-megohm input impedance, unless stated otherwise in test procedure. Use ohmmeter to isolate wiring harness shorts or opens.

Diagnostic Aid

Malfunction code is set when solenoid coil surge voltage (system voltage +2) is not detected when EVAP emission vent solenoid is turned on/off.

Check for following possible problems

  1. Purge control solenoid valve stuck open.
  2. Open or short between ECM relay and purge control solenoid valve
  3. Open or short between purge control solenoid valve and Engine/Transaxle Control Module (E/TCM) or Engine Control Module (ECM).
  4. Faulty purge control solenoid valve