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2010 KIA RONDO
2.4L I4•FWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor537Torque2316Fluid6DTC893Battery1Maintenance0Recalls2
P1440low severityPowertrain

EVAP System Vent Valve Circuit Malfunction

on 2010 Kia Rondo 2.4L I4 · FWD

What this code means

The PCM has detected a malfunction in the EVAP system canister vent valve circuit. The vent valve controls fresh air flow to the charcoal canister and is essential for EVAP leak detection testing.

Symptoms

  • Check Engine Light
  • Failed emissions test
  • Possible fuel odor
  • EVAP monitor will not complete

Common causes

  • Faulty canister vent valve
  • Wiring open or short to vent valve
  • Corroded vent valve connector
  • Blocked vent filter on canister
  • PCM driver circuit failure

Diagnostic steps

  1. Test vent valve solenoid resistance
  2. Command vent valve with scan tool and verify operation
  3. Inspect vent valve wiring and connector
  4. Check canister vent filter for blockage
  5. Test PCM output to vent valve

Repair notes

Replace the canister vent valve if electrically faulty; clean or replace the vent filter if blocked.

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