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Focus 1999 (08.1998-12.2004)
Mechanical Repairs
3 Powertrain / 303 Engine
303-04A Fuel Charging and Controls - 1.6L Zetec-SE (Sigma)-1.4L / Description and Operation
Diagnosis and Testing
Fuel Charging and Controls
Fuel Charging and Controls - 1.6L Zetec-SE (Sigma)/1.4L - Fuel Charging and Controls
Focus 1999 (08/1998-12/2004)
Diagnosis and Testing
General Equipment
Worldwide Diagnostic System (WDS)
Inspection and Verification
Verify the customer concern by operating the system.
Visually inspect for obvious signs of mechanical or electrical damage.
Visual Inspection Chart
Mechanical
Electrical
Fuel leaks
Blocked or contaminated fuel filter
Damaged fuel supply manifold
Damaged fuel line connections
Damaged vacuum hoses
Fuel pressure regulator (if equipped)
Fuel pulse damper (if equipped)
Loose or corroded connector(s)
Wiring harness
Fuel injector(s)
If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
If the concern is not visually evident, verify the symptom and refer to WDS.
Mechanical Repairs
3 Powertrain / 303 Engine
303-04A Fuel Charging and Controls - 1.6L Zetec-SE (Sigma)-1.4L / Description and Operation
Diagnosis and Testing
Fuel Charging and Controls
Diagnosis and Testing|Removal and Installation >
< Fuel Charging and Controls