Turn the ignition switch to the on.

How to check fuel injector pulse. The three main factors that lead to that condition are blown injector fuse, bad injector electrical. To check a blown fuse you. You will find there are two terminals in the wiring harness, where the pongs on the injector inserts.

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. Unplug the electrical connector from the fuel injector you want to test.

In this video i show you how i test the circuitry on an older honda fuel injector using a noid light, a test light and a power probe. Remove the old injector from the engine and install the new one in its place. When these fuses blow, the system they support stops working, and the engine stops running.

That'll indicate high resistance and a lot of amperage trying to open that injector. Reattach the fuel lines to the new injector using the fuel line disconnect tool. Maybe the injector is sticking.

As a result, there is no injector pulse while craking.