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Home >> Ford >> 2007 >> Escape 2WD L4-2.3L VIN Z >> Repair and Diagnosis >> Powertrain Management >> Fuel Delivery and Air Induction >> Fuel Injector >> Service and Repair
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Fuel Injector: Service and Repair

FUEL RAIL







Exploded View

Removal

WARNING:
- Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related components. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions can result in personal injury.
- Fuel in the fuel system remains under high pressure even when the engine is not running. Before working on or disconnecting any of the fuel tubes or fuel system components, the fuel system pressure must be relieved. Failure to follow these instructions can result in personal injury.

1. Release the fuel pressure.
2. Disconnect the battery ground cable.
3. Disconnect the fuel supply tube quick connect coupling at the fuel rail.
4. Disconnect the fuel rail pressure and temperature vacuum tube and electrical connector.
5. Disconnect the 4 fuel injector electrical connectors.
6. Remove the nut and position the radio capacitor aside.
7. Detach the wire harness retainer from the valve cover stud bolt.
8. Detach the 2 pin-type wire harness retainers from the fuel rail.
9. Remove the 2 fuel rail stud bolts.
10. Remove the fuel rail and injectors as an assembly.
11. Remove the 4 fuel injector retainer clips and the fuel injectors.
- Remove and discard the 8 fuel injector O-ring seals.

Installation

1. CAUTION: Use O-ring seals that are made of special fuel-resistant material. Use of ordinary O-rings can cause the fuel system to leak. Do not reuse the O-ring seals.

NOTE: Install new fuel injector O-ring seals and lubricate them with clean engine oil.

Install the fuel injectors and the retainer clips.

2. Install the fuel rail and injectors as an assembly.
3. Install the 2 fuel rail stud bolts.
- Tighten to 23 Nm (17 lb-ft).

4. Attach the 2 pin-type retainers to the fuel rail.
5. Attach the wire harness retainer to the valve cover stud bolt.
6. Position the radio capacitor and install the nut.
- Tighten to 10 Nm (89 lb-in).

7. Connect the fuel injector electrical connectors.
8. Connect the fuel rail pressure and temperature vacuum tube and electrical connector.
9. Connect the fuel supply tube quick connect coupling at the fuel rail.
10. Connect the battery ground cable.
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