OBD-II code · Powertrain (generic)

P0441 Evaporative Emission System Incorrect Purge Flow

The actual purge flow does not match the commanded value. Usually a purge valve stuck closed (no flow) or stuck open (too much flow at idle). Distinct from a leak code.

Is it safe to drive with P0441?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyPurge valve stuck open or closed
  • PossiblePurge hose kinked or restricted

Symptoms

  • Check engine light on
  • Possible smell of fuel near tank or engine bay
  • Failed emissions inspection
  • Loose-cap warning may appear

Repair at a glance

Difficulty
Easy
DIY friendly
Often, with basic tools
Typical labour
0.3–2 h
Emissions test
Likely to fail
After the fix
A drive cycle is needed before the light stays off
Parts involved
Evap Purge Valve, Evap Canister, Evap Hose

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.