96 VW Jetta 2.0 4cyl
96 VW Jetta 2.0 Injected 4cyl, solid misfire, MiL light on, misfire code set, open Injector number four cylinder. How easy to find this by looking at main power to injectors using amp probe. Missing spike in the waveform indicates lost injector firing.
New Injector makes number four happy, and shows up in the waveform.