Evaporative Emissions
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The EVAP running loss system leak test:
utilizes intake manifold vacuum to test the system and involves several stages.
Evaporative Emission System
Principles of Operation
Evaporative Emission (EVAP) Canister Purge Valve
The EVAP canister purge valve is controlled by the powertrain control module (PCM). The EVAP canister purge valve controls the flow of fuel vapors from the EVAP
canisters to the engine intake manifold during various engine operating modes. The EVAP canister purge valve is normally closed.
Evaporative Emission (EVAP) Canisters
SECTION 310-00: Fuel System
2004 Freestar/Monterey Workshop Manual
DIAGNOSIS AND TESTING
Procedure revision date: 07/31/2003
Special Tool(s)
Worldwide Diagnostic System (WDS)
418-F224
New Generation STAR (NGS) Tester
418-F052, or equivalent scan tool
Evaporative Emission System Leak Tester
310-F007 (134-00056) or equivalent
Item
Part Number
Description
1
9030
Fuel filler cap
2
9C052
Fuel tank pressure sensor
3
9B190
RIU limit vent valve
4
9C915
Evaporative emission canister purge valve
5
9F945
Canister vent solenoid
6
9B328
Evaporative emission dust separator
7
9D653
Evaporative emission canister
8
9002
Fuel tank
9
9B593
Fuel vapor vent valve
10
9189
Fuel filler pipe check valve
Page 1 of 8
2004 Freestar/Monterey Workshop Manual
10/9/2010
http://www.fordtechservice.dealerconnection.com/pubs/content/~WS4W/~MUS~LEN/20/...
