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Evaporative Emissions System: Overview Ford Explorer V

Testing & Diagnostics 2 illustrations ~103 words

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

  1. EVAP canister
  2. EVAP canister purge valve
  3. Dual check valve (2.0L GTDI engine) (part of the canister purge valve)
  4. Vapor ejector (2.0L GTDI engine) (part of the canister purge valve)
  5. Dust separator
  6. EVAP canister vent solenoid
  7. Fuel vapor tube assembly (includes the FTP sensor)
  8. Easy Fuel ™ (capless) fuel tank filler pipe

System Operation

Refer to SECTION 1: DESCRIPTION AND OPERATION .

Scheme 118

Scheme 118: Vehicle Emission Vacuum Routing - 3.5L Ti-VCT
ItemService Part NumberDescription
16A505LH valve cover
29F805ACL outlet tube
39C915EVAP canister purge valve
49424Upper intake manifold
56A666PCV valve
66582RH valve cover
79E857EVAP canister
8Fuel vapor vent valve (part of 9002)
9Fuel vapor vent valve (part of 9002)
109034Fuel tank filler pipe
119002Fuel tank
12FTP sensor (part of 9C047)
139275Fuel level sender

Scheme 119

Scheme 119: Vehicle Emission Vacuum Routing - 2.0L GTDI
ItemService Part NumberDescription
16K271Valve cover
29F805ACL outlet pipe
3Vapor Ejector (part of 9G271)
46K863Turbocharger-to- CAC tube
5Dual check valve (part of 9G271)
69C915EVAP canister purge valve
79424Intake maifold
86A666PCV valve
99E857EVAP canister
10Fuel vapor vent valve (part of 9002)
11Fuel vapor vent valve (part of 9002)
129034Fuel tank filler pipe
139002Fuel tank
14FTP sensor (part of 9C047)
159275Fuel level sender