Port Injection Fuel Rail: Installation

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Make sure that NEW fuel injector O-ring seals are installed.

NOTE: The fuel injector clip can be reused if it is not damaged during removal. If the clip is reused, the 2 sides of the clip should be squeezed back into shape by placing it between index finger and thumb.

Install the NEW fuel injector O-ring seals and the fuel injector retaining clips onto the fuel injectors. Lubricate the NEW fuel injector O-ring seals with clean engine oil. Refer to: Specifications .

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NOTE: The fuel rail pressure and temperature sensor must be replaced if it is removed from the fuel rail.

NOTE: Position the fuel injector's so that the flat sides of the fuel rail injector cup is aligned with the flat side of the fuel injector retainer.

Install the fuel injectors into the fuel rail.

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Install the fuel rail, then install and tighten the fuel rail retaining bolts in the following 2 stages.
Torque:Stage 1: 89 lb.in (10 Nm) | Stage 2: 90 deg.

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Connect the fuel injector electrical connectors and the fuel sensor electrical connector.

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Install the left and the right fuel rail insulators.

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NOTE: The fuel high-pressure fuel pump supply tube must be installed with the 90 degree spring lock end installed to the port fuel rail; if it is installed backwards a check valve will prevent the engine from running properly.

Connect fuel high-pressure fuel pump supply tube spring lock coupling. Refer to: Spring Lock Couplings .

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Connect the fuel supply tube quick release coupling. Refer to QUICK RELEASE COUPLING

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- Connect the quick release coupling. Refer to QUICK RELEASE COUPLING
- Install the valve assembly to the bracket.
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- Connect the quick release coupling. Refer to QUICK RELEASE COUPLING
- Connect the electrical connector.
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- Connect the quick release couplings. Refer to QUICK RELEASE COUPLING
- Attach the hose retainer.
- Connect the hose.
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Connect the battery negative cable. Refer to: Battery Disconnect and Connect .
Pressurize the fuel system. Refer to: Fuel System Pressure Release .