Ford Fiesta: Evaporative Emissions - 1.6L EcoBoost (132kW/180PS) – Sigma / Evaporative Emissions - Overview. Description and Operation
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
-
EVAP canister vent solenoid
-
Fuel Tank Pressure (FTP) sensor and tube
-
Easy Fuel (capless) fuel tank filler pipe
System Operation
Refer to the PC/ED manual section 1 Description and Operation.
System Diagram
Item
Service Part Number
Description
1
9424
Intake manifold
2
-
PCV valve (part of 6A785)
3
6A785
Crankcase vent oil separator ..
Other information:
Inspection
Cratering - fatigue failure
Spot glazing - incorrect seating
Scratching - dirty engine oil
Base exposed - poor lubrication
Both edges worn - journal damaged
One edge worn - journal tapered or bearing not seated
..
Special Tool(s) /
General Equipment
308-880Installer, Driveshaft Seal
Removal
Remove the wheel and tire.
Refer to: Wheel and Tire (204-04A Wheels and Tires, Removal and Installation).
Remove the bolt and position aside the RH brake hose.
NOTICE:
Do not use a prying device or separator fork ..
Categories
Preliminary Inspection
Verify the customer concern by carrying out a road test on a
smooth road. If any vibrations are apparent, Refer to the Symptom
Chart: NVH.
To maximize tire performance, inspect for signs of incorrect
inflation and uneven wear, which may indicate a need for balancing,
rotation or front suspension alignment.
Correct tire pressure and driving techniques have an
important influence on tire life. Heavy cornering, excessively rapid
acceleration and unnecessary sharp braking increase tire wear.
Correct
tire pressure and driving techniques have an important influence on
tire life. Heavy cornering, exce
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