P0442

Low urgency

EVAP System Leak Detected (Small Leak)

What this code means

The evaporative emissions system, which stores fuel vapors, has a small leak detected during self-test.

Common symptoms

Check engine light
Occasional fuel smell
Usually no drivability issues

Most common causes

Loose or worn fuel cap
Cracked EVAP hose
Faulty purge or vent valve
Leaking charcoal canister

Can you keep driving?

Completely safe to drive. Tighten the fuel cap first - it fixes a surprising share of these codes - and have it checked at your convenience.

Do not guess in the dark

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Find a repair shop

Run a shop? The OBD decoder, VIN tools and parts catalog are built into the Motoro dashboard. See Motoro for workshops

Descriptions are for guidance only. Accurate diagnosis requires a workshop inspection.