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.