Fuel Injector Supply Tube: Removal
WARNING: This page is about a different car, the 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Do not work on the fuel system until the pressure has been released and the engine has cooled. Fuel in the high-pressure fuel system is hot and under very high pressure. High-pressure fuel may cause cuts and contact with hot fuel may cause burns. Failure to follow these instructions may result in serious personal injury.
NOTE:
Fuel injection equipment is manufactured to very precise tolerances and fine clearances. To prevent fuel system damage, it is essential that absolute cleanliness is observed when working with these components. Always install fuel system caps on any open orifices or tubes.
Both sides
- Release the fuel system pressure. Refer to: Fuel System Pressure Release .
- With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting - Overview .
- Disconnect the battery. Refer to: Battery Disconnect and Connect
.
Right side
- Remove the air cleaner. Refer to: Air Cleaner .
- Remove the right fender splash shield. Refer to: Fender Splash Shield .
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NOTE: It may be necessary to unthread the engine sound shield retainers from the engine.
Remove the right engine sound shield retainers and then remove the right engine sound shield.
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- Disconnect the fuel injector electrical connectors.
- Disconnect the fuel charging wiring harness retainers from the fuel rail and position the fuel charging wiring harness out of the way.
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NOTE: The use of a pair of long needle nose pliers or another commercially available tool may aid in the releasing of the center fuel injector return hose fitting lock.
Pull up on the center of the fuel injector return hose fittings to release the center fuel injector return hose fitting locks.
- Pull up on the fuel injector return hose fittings to disconnect the fuel injector return hose fittings from the fuel injectors.
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NOTE: Fuel injection equipment is manufactured to very precise tolerances and fine clearances. To prevent fuel system damage, it is essential that absolute cleanliness is observed when working with these components.NOTE: The fuel injector supply tube cannot be reused.
Remove and discard the fuel injector supply tubes.
Left side
- Remove the left fender splash shield. Refer to: Fender Splash Shield .
-
NOTE: It may be necessary to unthread the engine sound shield retainers from the engine.
Remove the left engine sound shield retainers and then remove the left engine sound shield.
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- Disconnect the fuel injector electrical connectors.
- Disconnect the fuel pressure control valve electrical connector.
- Disconnect the fuel charging wiring harness retainers from the fuel rail and position out of the way.
- Detach the fuel injector fuel return line retainer from the fuel rail and position out of the way.
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NOTE: The use of a pair of long needle nose pliers or another commercially available tool may aid in the releasing of the center fuel injector return hose fitting lock.
Pull up on the center of the fuel injector return hose fittings to release the center fuel injector return hose fitting locks.
- Pull up on the fuel injector return hose fittings to disconnect the fuel injector return hose fittings from the fuel injectors.
-
NOTE: Fuel injection equipment is manufactured to very precise tolerances and fine clearances. To prevent fuel system damage, it is essential that absolute cleanliness is observed when working with these components.NOTE: The fuel injector supply tube cannot be reused.
Remove and discard the fuel injector supply tubes.