Powertrain

Evaporative Emissions - Overview. Description and Operation

~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
  • EVAP Canister Vent Solenoid
  • EVAP Block-Off Valve
  • Fuel Vapor Tubes
  • Easy Fuel Fuel Fill Pipe (without cap)

Test yourself

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