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ignition coil

  1. 03 DHS coil cassette replacement

    Northstar Engines and System Technical Discussion
    I want to replace coil packs on my Cadillac DHS 4.6 Northstar V-8. I noticed there are several different options and I know you usually get what you pay for.. does anyone know the reasoning in the wide range of prices on these coil packs, is one really that much better than the other? Even on...
  2. Chronic misfire issue

    Cadillac STS Forum 2005 through 2012
    I have an 07 STS with the 3.6L V6 and have been chasing a misfire on cylinder 3 for the past month or so. If I’ve read correctly, cylinder 3 (and ignition coil C) is the middle one on the passenger side. So I’ve replaced the spark plug and the ignition coil as well as both valve cover gaskets...