Powertrain

Description and Operation - Evaporative Emissions - Overview

~1min read

Overview

The EVAP system prevents hydrocarbon emissions from being released into the atmosphere by storing fuel vapors and routing them to the engine for combustion during normal engine operation.

The EVAP system consists of:

  • EVAP canister
  • EVAP canister purge valve
  • Fuel tank pressure (FTP) sensor and tube
  • Easy Fuel™ fuel tank filler pipe (capless)
  • Fuel vapor vent valve (FVVV) / Refueling valve (RV)
  • Fuel tank isolation valve (FTIV) / Tank pressure control (TPC) valve
  • EVAP leak detection pump

Test yourself

A quick Ford Escape quiz: every answer comes with an explanation and a link to the manual page.