2013 Mitsubishi P0440: What It Means & Is It Safe to Drive?

P0440 on the 2013 Mitsubishi: 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 2013 Mitsubishi

  • 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 2013 Mitsubishi, repairs for P0440 typically fall between $20 and $400, depending on the root cause and labor rates in your area.

Known issues on Mitsubishi

Mitsubishi P0440 EVAP large leak is typically a gas cap seal or a cracked EVAP canister hose. On Outlander, the charcoal canister is mounted under the rear of the vehicle and the hoses can harden and crack from age. Replace the cap first, then inspect canister hose condition.

Most commonly affected models

Outlander 2004–2012Galant 2004–2009Eclipse 2006–2012

Is it safe to keep driving your 2013 Mitsubishi with this code?

For driving-safety guidance—how far you can go, when to tow, and what's urgent—see these checklists:

See all codes for your Mitsubishi

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