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.
Remove the cowl panel grille.
Refer to: Cowl Panel Grille (501-02 Front End Body Panels, Removal and Installation).
Remove the wiper linkage assembly retainers.
Torque:
80 lb.in (9 Nm)
NOTICE:
Make sure that the rubber grommet is installed
on the wiper linkage assembly ..
WARNING:
Do not use any fluid other than clean brake fluid meeting
manufacturer's specification. Additionally, do not use brake fluid that
has been previously drained. Following these instructions will help
prevent system contamination, brake component damage and the risk of
serious personal injury.
WARNING:
Do not breathe dust or use compressed air to blow dust from ..