P0442 — EVAP System Small Leak Detected

Powertrainlow

The fuel vapour system has a small leak.

Symptoms

  • Check engine light
  • Sometimes light fuel smell

Common causes

  • Loose or old fuel cap
  • Cracked EVAP pipe
  • Leaking purge or vent valve

How to fix

  1. Tighten or replace the fuel cap
  2. Smoke test the EVAP system
  3. Test purge and vent valves

Can I keep driving?

Yes.

These are the general meanings. Some companies use a code a little differently — confirm with a scanner and your car's service manual.