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  1. z20let zafira random misfire

    Engines and Transmission
    hey peoples, my zaffy gsi is pretty much bogo except for a vxr turbo remap and cone filter, ive had the cone filter on for a while now with loads of cool air feed it runs fine when its around 80 on temp gauge but hesitates a little at 90 anyways the other day i was driving home and it developed...