P1444
Purge Flow Sensor Circuit Input Low
Findings, check these first
- Failed purge flow sensor stuck low
- Open sensor signal wire
- Lost sensor power or ground
- Blocked purge line giving real low flow
- Corroded connector
Standard procedure
- 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
Code lookup
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Sources and review
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- OBDII.pro: P1444 Ford definition
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Supports: Ford-family meaning for P1444: Purge Flow Sensor Circuit Low Input
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Last updated 2026-09-06.
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