spark plug wires

  1. M

    Major misfire

    I have a 2006 Buick LaCrosse CX 3.8L. I recently did a tune up on it, including changed all spark plugs and wires, and coil packs as well. Now for some reason that I can't figure out for the life of me it only is only running on 2 cylinders. The OBD2 says "random misfire. I know, common sense...
  2. R

    98 Buick Regal GS, Spark Plug Wiring

    Does anyone know where I can find a diagram for a 1998 Buick Regal GS spark plug wiring placement? Plug wires recently replaced and it's idling a little rough. Wanting to check and make sure we have them correctly placed. Thank you! :eek:
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