This research paper will cover how injectors work and what each part does to work. The injector that will be searched for is 7.3 injectors. There are different styles of injectors but they all work the same. Some injectors operate via push tubes that open the door on the injector. The injector that will be featured is the 7.3 because they work electronically to spray fuel into the cylinder. The research will cover the parts of the injector and what each part does to operate the injector. This will help others reading the research paper know what injectors do and how they work. Injectors are an important part of diesel engines. If an injector goes out, the cylinder on which the injector went out will be dead. When a cylinder is dead, it receives no fuel to burn. A diesel engine operates on combustion like a gas engine operates without a spark. This is why injectors are a good design because it is what makes the engine run. First of all, what are some parts of the injectors? Some parts of the injector are the nozzles, injector port cap, and injector top filter. The nozzle is located on the part of the injector that is inserted into the cylinder to spray fuel into the cylinder. The injector must spray a certain way otherwise all the fuel will not be burned inside the cylinder. The next important part on the injectors is the injector port cap. The port plug is what keeps fuel from flowing into the cylinder. If fuel enters the cylinder, the cylinder will flood and cause the cylinder to die. The only way the port cap should open is when the fuel pressure exceeds a certain pressure to open the port cap to get the fuel to the injector nozzle. The... center of the card... leage. How to prevent injectors from failing is to have them cleaned. They can be cleaned in many different ways. The best way to clean them is to buy a diesel fuel supplement to add to your fuel and it will clean the injectors that way. Another way to clean the injectors is to manually remove them from the engine and clean them by hand. The best way is to dump the fuel supplement along with the fuel. The process of replacing the fuel injectors on a 7.3 involves removing the valve cover from the engine. Next disconnect the injector and glow plug harness which is also connected to the valve cover gasket. Then take the bracket holding the injector in place, loosen the top bolt on it, and remove the bottom one completely from the bracket. Once you've done that, you can take a pry bar and lift the injector out of the hole where it sits.