2015 Mini P0442: What It Means & Is It Safe to Drive?
P0442 on the 2015 Mini: Evaporative Emission System Leak Detected (Small Leak). 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
The EVAP system has detected a small leak. Often caused by a loose or faulty gas cap or a small hose leak.
Common causes on the 2015 Mini
- Loose, damaged, or wrong gas cap
- Cracked or disconnected EVAP hose
- Faulty purge or vent valve
- Leaking charcoal canister
Symptoms
- Check Engine Light
- Often no driveability issues
Typical fixes
- Tighten or replace gas cap
- Smoke test EVAP system
- Replace damaged hoses or valves
Repair cost range
For a 2015 Mini, repairs for P0442 typically fall between $15 and $300, depending on the root cause and labor rates in your area.
Known issues on Mini
MINI P0442 is usually a gas cap issue or a cracked EVAP hose. On N14 and N18 turbocharged models, also check the connection at the EVAP purge valve on the intake manifold—these can loosen from heat cycling.
Most commonly affected models
Cooper S 2007–2013Clubman S 2008–2014