Turn the ignition switch to the on.

How to check fuel injector pulse. Reattach the fuel lines to the new injector using the fuel line disconnect tool. Injector pulse width is the amount of time, measured in milliseconds (ms), that a fuel injector stays open (delivers fuel) during a cylinder intake cycle. The three main factors that lead to that condition are blown injector fuse, bad injector electrical.

Maybe the injector is sticking. Unplug the electrical connector from the fuel injector you want to test. That'll indicate high resistance and a lot of amperage trying to open that injector.

You will find there are two terminals in the wiring harness, where the pongs on the injector inserts. Bst401 4 channel automotive fuel. The nature of the cause of no injector pulse is that there is no power input.

Use the pulse width to diagnose the fuel feedback control system. Remove the old injector from the engine and install the new one in its place. How to test diesel injectors with multimeter.

When these fuses blow, the system they support stops working, and the engine stops running.