I couldn't answer your question, but I could swear someone else on here had just about the exact same story, within the last month or so. Rewiring the pump was the solution if I remember right. Maybe someone else can point you to the thread. Regardless, it's one of the cheapest & quickest items to cross of the list, with the exception of the injector plugs which you tried, and the coil that you're about to try.

Have you inspected the spark plugs yet?
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Okay thank you. I'm going to do it this week. I have all the materials (SOS kit) and when I changed the plugs they looked fine (just a little oil on the threads from my spark plug tube seals) but I remember that guy too I think