'04 Ram 4.7L injectors how they work

It is really a simple set up that makes a car run. The components involved are as follows,
Computer, temperature sending unit, oxygen sensors, throttle position sensor, fuel pump and a few others that help complete the process. The fuel pump keeps the fuel pressure to 44-55 psi . The injectors are in the closed position and can only be opened with an electrical pulse. The pulse is sent to the injector by the computer. The length of the pulse is determined by the information given it by the temperature sending switch and the throttle position sensor. The computer see how hot the engine is and how much throttle the driver wants. Then it sends the current to the injector, pulse time, that opens the injectors for milla seconds. The oxygen sensor measures the amount of air in the exhaust and sends that result to the computer which analyzes all the information and makes changes to the pulse time and makes the changes to have a fuel mixture of 14.7 to 1 ratio of air to fuel. This happens about 20 times a second depending on your speed.