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  1. Problem Diagnosis
    I have a 2004 Wrx with a 2007 wrx sti block (so I’m told but think it’s ej 255) and 2014 wrx sti head. (Also think it’s just wrx) Now I have a misfire in cylinders 1,2,4 but it seems to jump around. I’ve changed coil packs, spark plugs, and kind of checked the wires. The car runs perfect until...
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