Follow up on this. I drove it up to a local Auto Zone. I had them scan it. It showed misfire on cylinder #2. So I bought a coil for #2. Runs like a top now. So I had to replace both 5 and 2 coils. I bought new plugs and set the gap, but due to -10F weather, no space in the garage and back surgery I ...

First post here. I did search for my issue and am quite sure that I have the solution. I'd like a second set of eyes though. 2000 S80 non turbo Check engine light came on. I had a garage test it. They said that I had a bad coil on five and the wrong kind of spark plug. They said that I had a plug me...