P0465
EVAP Purge Flow Sensor Circuit
A general electrical fault on the EVAP purge flow sensor — measures actual flow through the purge valve to verify the canister is being purged.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Symptoms
- Check engine light on
- Possible smell of fuel near tank or engine bay
- Failed emissions inspection
- Loose-cap warning may appear
Common causes
Ordered by how often each turns out to be the cause.
- Sensor failedCommon
Parts involved
- EVAP Purge Flow Sensor
P0465 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.