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#4 misfire

  1. Saab 9-2X, 9-4X & 9-7X Workshop
    Hi, I have a problem with my 07 Saab 97X. On my way home I notice a check engine light come on. I was only a mile away from home. I pulled into my driveway and notice a very rough idle along with a clicking noise. I pulled the code and it was P0304. I have replaced the #4 coil and spark...