OEM 2007 Ford F-250 Super Duty Fuel Injector

2007 Ford F-250 Super Duty Fuel Injector Parts Questions & Experts Answers

• Q: What safety precautions should be observed when servicing fuel injectors on 2007 Ford F-250 Super Duty?

  A: One must pay attention to safety measures before servicing fuel injectors because the components contain highly combustible mixtures so do not use open flames or smoke in the vicinity. It is essential to relieve fuel system pressure before disconnecting any fuel tubes or components because accidental fuel spraying represents a fire hazard. Cleanliness stands essential when working with fuel injection equipment because its manufacturing allows only precise tolerances. Attach blanking plugs to all open tubes and orifices while cleaning all liquid and vapor connectors with compressed air before they can be separated. The first steps involve draining fuel system pressure while detaching the ground cable from the battery. Decommission the air cleaner inlet pipe while removing the mass air flow (MAF) sensor electronic connector before placing wiring fixtures to one side. Disconnection of the brake booster vacuum hose should be performed before proceeding to separate the quick connect couplings that control the positive crankcase ventilation (PCV) tube and crankcase ventilation tube. In sequence disconnect the fuel supply tube spring lock coupling along with the fuel rail pressure and temperature sensor electrical and vacuum connectors, the electrical throttle control connector and throttle position (TP) sensor connector and heated PCV intake fitting connector. Detach the eight fuel injector electrical connectors before taking out the eight fuel injector-to-fuel rail locking clips. The removal of the fuel rail becomes simpler if you maintain fuel injectors inside their intake manifold position. Beginning the fuel rail removal process requires disassembly of its four bolts followed by removal of the fuel rail. Keep the fuel rail bolts tightened at 10 Nm (89 lb-in) at installation. The installation of O-ring seals requires special fuel-resistant material since typical O-rings have a tendency to leak but you should replace them after installation and use engine oil as a lubricant before installation. The last step includes performing the reverse operations needed to install all components.