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:
DISASSEMBLY
Disconnect the high voltage inductor.
Remove the bolts and the high voltage inductor.
Remove the high voltage bolts.
Remove the bolts and the high voltage terminals.
ASSEMBLY
Install the high voltage terminals and the bolts.
Torque:
97 lb.in (..
System Operation
System Diagram
Item
Description
1
Power Liftgate
2
Hood Ajar Switch
3
Passive Key
4
Horn
5
GWM
6
GWM
7
PDM
8
DLC
9
IPC
10
RTM
11
BCM
12
Left Door Lock Control Switch
13
DDM
14
Right Door Lock Control Switch
15
Ignition Switch
1..