P0469 OBD II Trouble Code Purge Flow Sensor Circuit Intermittent

Symptoms of P0469 OBD II Trouble Code

  • Malfunction Indicator Lamp (MIL) illuminated
  • Decrease in fuel economy

Common Causes of P0469 OBD II Trouble Code

  • Open in the signal circuit to the PFS sensor - possible
  • Short to voltage in the signal circuit to the PFS sensor - possible
  • Short to ground in the signal circuit to the PFS sensor - possible
  • Open in power or ground at PFS sensor - possible
  • Failed PFS Sensor - likely
  • Failed PCM - unlikely

Severity of P0469 OBD II Trouble Code

Severity depends upon the failure. If a mechanical failure; severe. If an electrical failure, not as severe, as the PCM can compensate adequately for it.