Free API

P0467

PowertrainEvap Systemlow severity

EVAP 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

  1. Inspect sensor connector and wiring
  2. Check signal voltage against spec
  3. Test circuit for short to ground
  4. Replace sensor if low output persists

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Wiring Data
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Ground Points
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