| 310-00B Fuel System - General Information - 1.6L EcoBoost (132kW/180PS) - Sigma | |
| Diagnosis and Testing | Procedure revision date: 04/29/2013 |
Symptom Chart(s)
Symptom Chart: Fuel System
Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to:
Diagnostic Methods
(100-00 General Information, Description and Operation).
for information regarding Ford-specific diagnostic practices.
NOTE: The following procedure diagnoses a slow to fill concern only. For all other concerns, refer to Refer to Powertrain Control/Emissions Diagnosis (PC/ED) manual.
Symptom Chart
| Condition | Possible Sources | Actions |
|---|---|---|
| Slow to fill |
|
Refer to Diagnostic Routine A: Slow to Fill. GO to Pinpoint Test A A A |
| All other fuel system concerns | Fuel system components | Refer to Powertrain Control/Emissions Diagnosis (PC/ED) manual. |
Diagnostic Routine(s)
Slow to Fill
Normal Operation and Fault Conditions
Under normal operation, fuel should flow at a steady rate through the fuel tank filler pipe into the fuel tank. As fuel enters the fuel tank air is vented through the filler pipe or the ORVR system.
| A1 A1 A1 CHECK COMPONENTS FOR SIGNS OF DAMAGE | ||||
Was the cause of the concern found?
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| A2 A2 A2 CHECK THE FUEL TANK FILLER PIPE ASSEMBLY FOR BLOCKAGE OR RESTRICTION | ||||
Is the fuel tank filler pipe or fuel tank filler pipe vent tube (if equipped) blocked or restricted?
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| A3 A3 A3 CHECK THE FUEL TANK INLET CHECK VALVE | ||||
Is the fuel tank filler pipe inlet check valve restricted or sticking?
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