About a week ago, I developed a 'miss' in my car. For a while, I've felt that one injector was not working properly, and now, it's obvious that it is probably not working at all.

So, what is the normal way of isolating this injector? I have others to put in should I find the right one. On a gasser, it's easy because you can electronically 'kill' a cylinder, but I cannot find a way to do it on this diesel. As a side note, I am in the process of building an injector tester, but other than pulling and checking each one, I want to R & R the bad one, then get new nozzles.

Suggestions?

Thanks !!

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87 300SDL - 215K Miles !!
99 F-350CC Dually PSD - 190K
86 300SDL - 189K
All on B-100