P1445 Purge Flow Sensor Circuit High Condition
What does P1445 mean on a Ford?
P1445 — Purge Flow Sensor Circuit High Condition. This Ford-enhanced code applies to Mustang, Taurus, Ranger with purge flow sensors.
Common causes of P1445
- Failed purge flow sensor stuck high
- Shorted sensor signal wire to voltage
- Poor sensor ground
- Purge valve stuck open driving real high flow
- PCM reference fault
How to fix P1445
- Check whether purge flow is actually high or the sensor is lying
- Test the purge valve seal with vacuum
- Inspect sensor wiring for shorts to power
- Verify the sensor ground
- Replace the flow sensor after confirming the purge valve seals