P0440: what does this code mean?

Evaporative emission system (canister): malfunction

Parts to check, to be confirmed by diagnosis

1. Canister purge valveSearch for my vehicle
2. Fuel capSearch for my vehicle
3. Charcoal canisterSearch for my vehicle

A code points to a circuit or a function, not a part number: confirm by diagnosis before ordering.

Nearby codes:P0441

Another code

All codes explained →