Fuel injectors simply block the flow of fuel. Only when the computer activates them by completing their electrical circuit do they open and let fuel spray out.

Must-know information on both high impedance and low impedance Honda fuel injectors. Don't blow or fry your ECU! Read on how to tell injectors apart, measure them and how to wire up a resistor box ...

An open circuit on a fuel injector is usually caused by either a broken wire to the injector, a loose terminal somewhere in the electrical circuit that drives the injector or a burned-out coil in the ...

A problem with your fuel delivery system could also cause a P0303 trouble reading, such as a malfunctioning fuel injector or damaged wires or loose connections within your fuel injector circuit.