What does code P1444 mean?

Q: What does code P1444 mean?

Purge Flow Sensor Circuit Input Low. P1444 on Ford vehicles means the powertrain control module (PCM) has detected a low input voltage on the purge flow sensor circuit, which monitors the flow of fuel vapor from the charcoal canister into the intake manifold. The PCM expects a signal within a specific voltage range when the evaporative emissions (EVAP) purge valve is commanded open, and a low reading indicates the circuit is grounded, shorted, or the sensor is not reporting flow.

DTC codes / Ford codes / P1444

P1444 · FordPurge Flow Sensor Circuit Input Low

P1444 on Ford vehicles means the powertrain control module (PCM) has detected a low input voltage on the purge flow sensor circuit, which monitors the flow of fuel vapor from the charcoal canister into the intake manifold. The PCM expects a signal within a specific voltage range when the evaporative emissions (EVAP) purge valve is commanded open, and a low reading indicates the circuit is grounded, shorted, or the sensor is not reporting flow.

SystemPowertrain

Code typeFord specific

SeverityLow

Fix difficultyIntermediate

AreaAuxiliary emission controls

Guidance is general and written for Ford vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.