Evaporative Emissions System: Description and Operation

PURPOSE
The Evaporative Emission (EVAP) Control System stores vapor generated by the vehicle and regulates its consumption during normal driving operation. The main purpose of the EVAP System is to prevent fuel vapor from dispelling into the atmosphere.

OPERATION
The EVAP System has five major components:

1. EVAP Charcoal Canister with EVAP Solenoid
2. Throttle Body
3. Fuel Tank
4. Tank Pressure Control Valve (TPCV)
5. Remote Vent Hose