These fuel injectors CAN be cleaned and saved when they are serviced properly. We do not use low pressure port injection flow benches. We test at high pressure and this is a video showing the process.
Service for yours can be ordered here:
https://injectorrehab.com/product/bm...

0:00 Intro
5:30 Mounting the Fuel Injector
6:24 Selecting Injector Test Plan
7:09 Begin Fuel Injector Test on the flow bench
7:50 Generating Flow Results Report
8:09 Ultrasonic Cleaning Bath
8:25 Back Flushing after cleaning
9:14 Regenerating Piezo Stack
10:23 Flow Sheets and Reports Explained
12:03 Conclusion