2022 Kia P0440: What It Means & Is It Safe to Drive?
P0440 on the 2022 Kia: Evaporative Emission System Control System Malfunction. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.
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What this code means
A general fault in the EVAP system—could be a leak, stuck valve, or sensor issue.
Common causes on the 2022 Kia
- Gas cap loose or faulty
- Purge or vent valve stuck
- Charcoal canister or hose leak
Symptoms
- Check Engine Light
Typical fixes
- Replace gas cap
- Test purge/vent valves
- Smoke test EVAP system
Repair cost range
For a 2022 Kia, repairs for P0440 typically fall between $20 and $400, depending on the root cause and labor rates in your area.
Known issues on Kia
Kia P0440 is often caused by a degraded purge valve solenoid or cracked EVAP hose. The Sedona's charcoal canister is mounted low and exposed to water splash, which can cause canister damage—inspect for physical damage before ordering parts.
Most commonly affected models
Optima 2001–2005Sportage 2001–2004Sedona 2002–2005