Fuel injector testing

Fuel injector is a actuator which supply engine with fuel (petrol or gasoline) to run. As its an actuator it has and off and on time, which determined by ECU.













Here is an injector resistance test.






Here is and injector click test, injector 2 and 4 were seized up untill i hit them on a table they didn't wanna work.

When injector not working it can make miss fire, poor performance and erratic idling of the engine.

Test bench cleaning: in this procedure injectors can be cleaned and inspected in the same time.
During the test we can see spray pattern, delivery volume and injector leakage.
When removing injectors from the engine, battery must be disconnected, ignition off and avoid flames and sparks around fuel.

During this test all four injectors has had a good spray pattern, had no leakage under pressure and after been tested and delivered around 180 cc. per minute, so they still usable and none of they require attention.