OBD-II code · Powertrain (generic, extended)

P2025 EVAP Fuel Vapor Temperature Sensor Performance

The EVAP fuel-vapor temperature sensor reading is plausible but does not match expected behaviour over time or temperature — slow response, incorrect offset, or stuck reading.

Is it safe to drive with P2025?

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

Common causes

  • Most likelySensor drift over service life
  • Less likelySensor element aged beyond calibration window
  • Less likelySensor element contaminated by oil, soot or coolant

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
Parts involved
Evap Fuel Vapor Temp Sensor

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