Ford XR3Z-9F593-CB
Injector

The presence of highly flammable mixtures in fuel-related components requires that you stay clear of both smoking and lighted tobacco and open flames during fuel injector servicing time to prevent personal injury. After engine shutdown the fuel system maintains high pressure therefore it is fundamentally important to lower pressure before any fuel line disconnection to guarantee safety. The first step involves taking off the supply manifold for fuel injection followed by removing fuel injectors from this component. Visual inspection of the two O-ring seals on each injector should be followed by replacing them with new ones whenever necessary. First lubricate new O-ring seals with engine oil before installing them according to the opposite order of removal to finish the procedure.

Services on the fuel injector need strict avoidance of smoking and lighted tobacco as well as open flames near the fuel components because they carry highly flammable mixtures that cause personal injury. The high-pressure fuel system of the engine maintains its conditions after shutdown so operators need to release system pressure before disconnecting fuel components. The first step entails removing the fuel injection supply manifold and afterward removing the fuel injectors from this manifold. Two new O-ring seals should replace any damaged ones which you find on each injector during your inspection process. The process of installation requires you to undo the uninstallation steps while applying clean engine oil to new O-ring seals to achieve proper seal registration.

Thorough fuel injector service requires total avoidance of smoking or lighting tobacco because highly flammable mixtures present in fuel components pose the risk of personal injury. Maintaining high pressure throughout the fuel system is a safety concern since engine shutdown because technicians should use a dedicated fuel pressure relief method to disconnect fuel components and lines properly. Start by taking off the ground cable from the battery terminal. You must conduct fuel pressure release before taking out the fuel injection supply manifold and each fuel injector starting with the clip removal step followed by the injector itself. The service technician should inspect and replace any damaged O-rings on fuel injector units with new pieces when needed. Perform the installation by reversing all removal steps without using silicone grease because its application can result in injector blockages. The correct installation requires O-rings to be lubricated with clean oil from Super Premium SAE 5W-30 motor oil (part number XO-5W30-QSP) or its equivalent following Ford specification WSS-M2C153-G.

Remove the fuel injection supply manifold and the fuel injectors by first removing the clip and then the injector itself.