Ford Escape: Evaporative Emissions / Description and Operation - Evaporative Emissions - Overview
Overview
The EVAP
system prevents hydrocarbon emissions from entering the atmosphere by
storing fuel vapors and routing the vapors to the engine to be consumed
during normal engine operation.
The EVAP system consists of:
-
EVAP canister
-
EVAP canister purge valve
-
Fuel Tank Pressure (FTP) sensor and tube
-
Easy Fuel™ (capless) fuel tank filler pipe
-
Fuel vapor vent valve (FVVV) / Refueling valve (RV)
-
Fuel tank isolation valve (FTIV) / Tank pressure control (TPC)
-
EVAP leak detection pump
System Operation
System Diagram
Item
Description
1
Intake manifold
2
EVAP canister purge valve
3
Fresh air hose
4
EVAP leak detection pump
5
EVAP canister
6
Fuel tank
7
Fuel pump and sender unit
8
Fuel tank isolation valve (also known as Tank Pressure Control Valve - TPC )
..
Other information:
Removal
Remove the wiper linkage assembly.
Refer to: Wiper Linkage Assembly (501-16 Wipers and Washers, Removal and Installation).
Detach the windshield wiper link from the windshield wiper motor crank and position aside.
NOTE:
Note the position of the component before moving.
Rotate the windshield wiper motor crank to gain access to a..
Removal
NOTE:
Removal steps in this procedure may contain installation details.
Disconnect the stoplamp switch electrical connector.
NOTICE:
Do not press, pull or otherwise move the brake pedal
while installing the stoplamp switch and cruise control deactivation
switch. Install these switches with the booster push rod attached to the
brake pedal a..