P1444 Purge Flow Sensor Circuit Input Low
What does P1444 mean on a Ford?
P1444 — Purge Flow Sensor Circuit Input Low. This Ford-enhanced code applies to Mustang, Taurus, Ranger with purge flow sensors.
Common causes of P1444
- Failed purge flow sensor stuck low
- Open sensor signal wire
- Lost sensor power or ground
- Blocked purge line giving real low flow
- Corroded connector
How to fix P1444
- Verify purge valve actually flows when commanded
- Check sensor power and ground
- Test signal wire continuity
- Inspect the purge line for blockage
- Replace the sensor after flow confirmation