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
NOTE:
Removal steps in this procedure may contain installation details.
Mirror Types
Mirror type 1
Release the clips and remove the rain sensor cover.
Disconnect the interior rear view mirror electrical connector.
Remove the interior rear view mirror.
Loosen the se..
Windshield washer fluid reservoir: See Adding Washer Fluid.
Low temp coolant cap: See Checking the Coolant.
High temp coolant cap: See Checking the Coolant.
Engine oil filler cap: See Adding Engine Oil.
Engine oil dipstick: See Engine Oil Dipstick Overview.
Brake fluid reservoir: See Checking the Brake Fluid.
Power distribution box: See Fuses.
Air filter assembly: See Changing the Engine..