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Evaporative Emissions - 2.0L Duratec-He: Overview Ford Focus III

Testing & Diagnostics 1 illustration

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. EVAP canister vent solenoid
  4. Fuel Tank Pressure (FTP) sensor and tube
  5. Easy Fuel (capless) fuel tank filler pipe

System Operation

Refer to the ENGINE CONTROLS - DESCRIPTION & OPERATION (EXCEPT DIESEL & HYBRID) .

Scheme 1

Scheme 1: System Diagram
ItemService Part NumberDescription
19424Intake manifold
2PCV valve (part of 6A785)
36A785Crankcase vent oil separator
49E652Air Cleaner (ACL) outlet pipe
56582Valve cover
69D289EVAP canister purge valve
79002Fuel tank
8Fuel Tank Pressure (FTP) sensor and tube (part of 9C047)
99034Fuel tank filler pipe
109D653EVAP canister