P0465
PowertrainEvap Systemlow severityEVAP Purge Flow Sensor Circuit Malfunction
What P0465 Means
The PCM detected a fault in the EVAP purge flow sensor circuit. This may be caused by a bad sensor, wiring issue, or connector fault.
Symptoms
- Check engine light on
- Possible rough idle
- Failed emissions test
Common Causes
- Faulty purge flow sensor
- Damaged wiring or connector
- Corroded sensor pins
- Open or short in circuit
Diagnostic Steps
- Inspect purge flow sensor connector
- Check sensor signal in live data
- Test circuit for opens and shorts
- Replace sensor if out of spec
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