Mercury XL2Z-9F593-CA Injector Assembly

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Start by disconnecting the negative battery cable. Following that, unplug electrical connectors at the air bypass valve, throttle position sensor, and EGR position sensor. Detach the accelerator cable and transmission linkage from the throttle body assembly, remove the accelerator cable/Throttle Valve (TV) cable bracket from the intake manifold, and label and detach vacuum lines from the upper intake manifold vacuum tree, EGR valve, and fuel pressure regulator.

Place the fuel rail over each of the injectors and seat the injectors into the fuel rail. Ensure that the injectors are well seated in the fuel rail assembly. (Note: It may be easier to seat the injectors in the fuel rail and then seat the entire assembly in the lower intake manifold).

Remove the injector, retrieve the copper washer, and any O-ring material from the bore.

Start by disconnecting the negative battery cable. Following that, unplug electrical connectors at the air bypass valve, throttle position sensor, and EGR position sensor. Detach the accelerator cable and transmission linkage from the throttle body assembly, remove the accelerator cable/Throttle Valve (TV) cable bracket from the intake manifold, and label and detach vacuum lines from the upper intake manifold vacuum tree, EGR valve, and fuel pressure regulator.