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P1444 Manufacturer-specific Basic entry

Purge Valve Stuck Open

Updated 2026-10-10 · Manufacturer-specific powertrain

Severity
Low
Typical repair cost
80 – 600 EUR
System
Powertrain

This is a manufacturer-specific code. Its exact meaning can differ between makes; the definition below follows the most common usage.

What it means

P1444 is stored when the engine control module commands the Purge Valve to move but the feedback shows it stays in one position. The cause is mechanical binding, carbon or dirt, or a failed actuator.

This entry is compiled automatically from the standard definition and typical diagnostic practice for this type of fault. A detailed, reviewed article is in preparation.

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Symptoms

  • Check engine light on
  • Rough or unstable idle
  • Hesitation or poor acceleration
  • Increased fuel consumption
  • Possible limp mode with reduced power

Common causes

  1. Carbon, varnish or dirt build-up blocking movement
  2. Worn or seized actuator mechanism
  3. Broken return spring or linkage
  4. Failed position feedback sensor giving a false reading
  5. Low supply voltage to the actuator motor

How to diagnose

  1. Command the Purge Valve with a scan tool and watch the feedback position
  2. Remove and inspect the component for carbon, dirt or mechanical damage
  3. Clean the mechanism and check it moves freely through its full range
  4. Measure supply voltage and resistance of the actuator motor
  5. Replace the actuator if it still does not follow commands

Frequently asked questions

Can I keep driving with P1444?

Yes. The fault does not affect safety or driveability, but it will keep the warning light on and may fail an inspection.

Will clearing P1444 fix it?

No. Clearing only erases the stored code; it returns as soon as the monitor runs again unless the cause is repaired.

Related codes

P1442P1443P1445P1446

Nearby codes in this group