| to troubleshoot. So I *thoroughly* cleaned the terminals using a small rotary tool and a small tapered bit that took off all the corrosion on the sub-harness and the wiring harness that it connects to. I also cleaned to a shine the injector connectors and injector contacts. That got me back up and running, but only on four cylinders and still having code 21 coming up. Cylinders #1 and #4 are not firing, but they are spraying fuel, so I guess that's good information. I measured with my multimeter that the wire running to the coil on cylinder #1 was doing around 14 volts, so it seems like power is getting to it. From the wiring diagrams I've seen that just means that it's getting the right power, not necessarily going through the PTU itself. Is there a way to see if I can measure what is supposed to be coming from the PTU and going to the coil pack? Does this mean it could also be the CAS? I cleaned the connectors on the CAS unit and that didn't seem to do anything. I'm running out of things that it could be, I guess I'll go try and swap a coil pack, though I doubt that will do anything but hey might as well give it a go. Helpppp meeeee :'(
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