P0465 Code: EVAP Purge Flow Sensor Circuit
🟢 Low severity · drivable
Safe to drive — it's an emissions-sensor circuit fault and won't affect how the car runs.
What P0465 means
The purge flow sensor, which measures how much fuel vapor flows during purging, has a circuit fault. The computer can't trust its reading, so EVAP tests may not run properly.
Symptoms
- Check engine light is on
- Possible faint fuel smell
- Usually no driving symptoms
Common causes
- most common: Faulty purge flow sensor
- common: Damaged wiring or connector
- less common: Clogged or blocked purge hose
How to fix it
| Fix | DIY? | Typical cost |
|---|---|---|
| Inspect and repair the wiring and connector | Yes | $20–100 |
| Replace the purge flow sensor | Yes | $40–150 |
| Check the purge hose for blockages | Yes | $5–20 |
Frequently asked questions
Can I drive with a P0465 code?
Yes. This is an emissions-sensor circuit fault and shouldn't affect how the car drives.
What does P0465 mean?
The purge flow sensor has a circuit fault, so the computer can't measure how much fuel vapor flows during purging.
How much does it cost to fix P0465?
Usually $40–150 for a new purge flow sensor, plus a little more if wiring needs repair.
Related codes
P0466
P0466 Code: EVAP Purge Flow Sensor Circuit Range/Performance
P0467P0467 Code: EVAP Purge Flow Sensor Circuit Low
P0468P0468 Code: EVAP Purge Flow Sensor Circuit High
Updated 2026-08. This page is informational and not a substitute for professional diagnosis.