Fault codes › P0444

P0444

Evaporative Emission Control System Purge Control Valve Circuit Open

Generic code Auxiliary Emissions Control Low severity Hard repair
Free on OBD DashX

Want real-world data on P0444?

See which problems come with P0444, how often it shows up in other vehicles, and how to fix it — step by step.

  • Real-world fix data
  • How often it happens
  • Step-by-step repairs
See P0444 on OBD DashX No sign-up needed · available in 10 languages

iWhat P0444 means

  • The fault code P0444 indicates that there is an issue with the circuit responsible for controlling the purge valve in the vehicle's evaporative emission control system. This may cause the vehicle to fail an emissions test or run inefficiently.

!Possible symptoms

  • Illuminated check engine light
  • Failed emissions test
  • Poor fuel economy
  • Rough idle or hesitation during acceleration
  • Increased emissions output

?Possible causes

  • Faulty or damaged purge control valve
  • Faulty wiring or connections in the circuit
  • Loose or corroded electrical connections
  • Failed engine control module (ECM)

Related parts

  • Evaporative Emission (EVAP) System: The EVAP system prevents petrol vapors from escaping into the atmosphere from the fuel tank and fuel system. Problems in this car's flow valve will lead to fuel loss

Possible solutions

  • Replace the purge control valve
  • Check and repair any damaged wiring or connections
  • Tighten or clean any loose or corroded electrical connections
  • Replace the engine control module (ECM) if necessary
Free on OBD DashX

P0444 on OBD DashX

Real-world causes, how often this code shows up, and the fix — step by step.

Open P0444 No sign-up needed · available in 10 languages

Search fault codes

Scan your own car

Read and clear fault codes, live data and service resets with the CaRPM app.