P0467
PowertrainEvap Systemlow severityEVAP Purge Flow Sensor Circuit Low Input
What P0467 Means
The PCM detected a low voltage signal from the EVAP purge flow sensor. This is usually caused by a short to ground or a failed sensor.
Symptoms
- Check engine light on
- Reduced purge flow
- Failed emissions test
Common Causes
- Short to ground in signal circuit
- Faulty purge flow sensor
- Corroded connector
- Open reference voltage supply
Diagnostic Steps
- Inspect sensor connector and wiring
- Check signal voltage against spec
- Test circuit for short to ground
- Replace sensor if low output persists
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