Citroen DS4 1.6 HDI Fuel Injector code 9674973080 9802448680

  

WILL COME SIMILAR TO IMAGES. The injectors are held open at this pressure i. It's called a Dynamic (Pulsed) Flow Test when the injectors are run for 30 seconds at different duty cycles and pulsed at different pulse widths to see how well they work. Then the dirty injectors are externally cleaned, visually inspected, and numbered. The fuel injectors are then tested for inductance, shorts, and current draw.

Now spray pattern, and injector flow rate tests are performed and recorded.