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cylinder misfire

  1. Can I add a ground on cylinder wiring to solve misfire issue?

    Questions, Issues or Problems with the New Beetle
    My VW have a short in the ground for cylinder 4 wiring. It’s throwing code P1228 which is “Injector circuit cylinder 4 short to ground”. The injectors are fine. The spark plugs are fine. The fuses, visible wiring, etc etc is all fine. I narrowed it down a bit but I don’t know how find out...