Fuel Injectors: Installation

WARNING: This page is about a different variant/trim than selected.

Install the new fuel injector sealing washers.

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NOTE: The PCM is programmed with an IQA code for each fuel injector. If a new fuel injector is installed record the new fuel injector IQA code located on top of the fuel injector and the cylinder location.
1. Ford part number (example).
2. Fuel injector IQA code.
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NOTE: If a fuel injector is being reused, make sure to install the fuel injector in the original location.

NOTE: Only tighten the bolts finger tight.

Install the fuel injectors, the fuel injector clamps and then install the fuel injector clamp bolts finger tight.

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NOTE: This uneven torque strategy is intentional as tightening bolt 2 cantilevers the injector clamp about the injector, increasing the clamp load imparted by bolt 1.
- Tighten bolt number 1 to
  Torque: 18 lb.in (2 Nm)
- Torque: Tighten bolt number 2 in the following 2 stages. : Stage 1: 35 lb.in (4 Nm) Stage 2: 360 deg.
- Torque: Tighten both of the number 3 bolts in the following 2 stages. : Stage 1: 53 lb.in (6 Nm) Stage 2: 360 deg.
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NOTE: Make sure that new fuel injector supply tubes are installed for the fuel injector supply tubes that were removed.

NOTE: Use care to avoid any tool contact with the fuel injector actuator during the fuel injector supply tube installation or damage to the fuel injector may occur.

NOTE: Install the new removed fuel injector supply tubes finger tight at this stage.

NOTE: Use a back-up wrench on the fuel injector fittings.
1. Tighten the fuel injector supply tube flare nuts at the fuel rail.
  Torque: 133 lb.in (15 Nm)
2. Tighten the fuel injector supply tube flare nuts at the fuel injectors in the following 3 stages.
  Torque: Stage 1: 133 lb.in (15 Nm) Stage 2: Wait 30s Stage 3: 22 lb.ft (30 Nm)
3. Tighten the fuel injector supply tube flare nuts at the fuel rail.
  Torque: 22 lb.ft (30 Nm)
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Install the fuel injector fuel return line. Refer to: Fuel Injector Fuel Return Line .
Connect the fuel injector electrical connectors.

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Install the leak-off rail connector protector bracket.
Torque: Stage 1: 62 lb.in (7 Nm) Stage 2: 45 deg.

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Connect the battery. Refer to: Battery Disconnect and Connect - Vehicles With: Dual Batteries .
Bleed the Fuel System. Refer to: Fuel System Bleeding .
Remove the oil filler cap. Install the engine appearance cover, position the hose back and install the oil filler cap.

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- NOTE: The PCM Reset And Clear The Specified Functions, Reset Minimum Fuel Mass Adaptations For Cylinder X and Fuel Injector #X Adaptive Reset must be performed for any of the replaced fuel injectors.
  
  Using the scan tool, follow the on-screen instructions and Reset And Clear The Specified Function Reset Minimum Fuel Mass Adaptations For Cylinder X and Fuel Injector #X Adaptive Reset on the scan tool for any of the fuel injectors that were replaced.
- NOTE: The PCM must be programmed with the proper fuel injector IQA codes.
  
  Using the scan tool, follow the on-screen instructions and program the PCM with the appropriate fuel injector IQA code for any fuel injector that was replaced.