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engine jerking

  1. Car Problems? New 9-3 Only
    I have a 2006 9 3 2.0T 5-speed. It has been running well for almost 120k. Recently it has started acting up. Whenever I accelerate hard the engine jerks as though it is not getting enough fuel (low fuel pressure?). I've gotten a code that indicates a misfire on cylinder 4. This only...
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