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HOMESERVICE MANUALSFORD2004FOCUS ZX3, 2.0 3, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALFUEL SYSTEMFUEL CHARGING SYSTEM & ENGINE CONTROLS - 2.0L ZETECREMOVAL AND INSTALLATIONFUEL CHARGING WIRING HARNESSREMOVAL
2004 Ford Focus ZX3, 2.0 3, Standard

Fuel Charging Wiring Harness: Removal

2004 Ford Focus ZX3, 2.0 3, StandardSECTION Removal
  1. Disconnect the battery ground cable. For additional information, refer to BATTERY, MOUNTING AND CABLES .
  2. Remove the air cleaner outlet tube.
    Fig 1: Removing Air Cleaner Outlet Tube
    G03191839Courtesy of FORD MOTOR CO.
  3. Disconnect the throttle position (TP) sensor electrical connector.
    Fig 2: Disconnecting TP Sensor Electrical Connector
    G03191840Courtesy of FORD MOTOR CO.
  4. Detach the breather hose from the valve cover.
    Fig 3: Detaching Breather Hose From Valve Cover
    G03191841Courtesy of FORD MOTOR CO.
  5. Disconnect the camshaft position (CMP) electrical connector.
    Fig 4: Disconnecting CMP Electrical Connector
    G03191842Courtesy of FORD MOTOR CO.
  6. Disconnect the idle air control (IAC) valve electrical connector.
    Fig 5: Disconnecting IAC Valve Electrical Connector
    G03191843Courtesy of FORD MOTOR CO.
  7. Disconnect the fuel injection wiring harness electrical connector.
    Fig 6: Disconnecting Fuel Injection Wiring Harness Electrical Connector
    G03191844Courtesy of FORD MOTOR CO.
  8. Raise and support the vehicle. For additional information, refer to JACKING AND LIFTING .
  9. Remove the engine undershield.
    Fig 7: Removing Engine Undershield
    G03191845Courtesy of FORD MOTOR CO.
  10. Disconnect the oil pressure switch electrical connector.
    Fig 8: Disconnecting Oil Pressure Switch Electrical Connector
    G03191846Courtesy of FORD MOTOR CO.
  11. Lower the vehicle.
  12. Disconnect the cylinder head temperature (CHT) sensor electrical connector.
    Fig 9: Disconnecting CHT Sensor Electrical Connector
    G03191847Courtesy of FORD MOTOR CO.
  13. Disconnect the accelerator cable.
    1. Remove the retaining clip and detach the inner cable from the throttle body.
    2. Rotate the outer cable.
    3. Disconnect the accelerator cable.
    Fig 10: Disconnecting Accelerator Cable
    G03191848Courtesy of FORD MOTOR CO.
  14. Disconnect the fuel injector electrical connectors.
    Fig 11: Disconnecting Fuel Injector Electrical Connectors
    G03191849Courtesy of FORD MOTOR CO.
  15. Remove the fuel injection wiring harness.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.