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    Misfire Problem?

    Wow what a pain that was! I didn't remove the plenum and getting to the coil packs was tough. However, after some cursing and bloody knuckles, the job is done and my Disco II is running much better than it did before the misfire problem. I also put Sea Foam in the gas as well as 2/3 of a can...
  2. T

    Misfire Problem?

    Hi, First post here! I have a 2003 Discovery with 57,000 miles. Two days ago it started running quite rough. It feels like it is mis-firing when trying to maintain a constant speed and much lower power when accelerating. The check engine light also alternates from flashing to a steady on...

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