OBD-II code · Powertrain (generic)

P00FE EVAP System Tank Vapor Line Restricted/Blocked

The EVAP tank vapor line is restricted or blocked. Tank pressure cannot equalize properly. The evaporative system captures fuel vapor from the tank and purges it into intake; leaks or stuck purge valves leak hydrocarbons and cause emissions failures.

Is it safe to drive with P00FE?

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

Common causes

  • Most likelyVapor line crushed or blocked

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
Medium
DIY friendly
Often, with basic tools
Typical labour
0.5–2 h
Emissions test
Likely to fail
After the fix
A drive cycle is needed before the light stays off
Parts involved
Evap Vapor Line, Charcoal Canister

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