Wow, thanks for the tips!

I was hoping vacuum leaks for some of it. I'll check those and get back to you.

I did gap the plugs by myself. Maybe I'll ask the mechanic here to double check my work. My brother also suggested I might be getting short in the wires leading to the plugs... but with ...

Long time reader, first time writer, but all the responses to others' posts have been extremely helpful to me in the past. (apologies if this is a rethread; if it is please point me to the correct thread and I will happily read read read)

I am trying to sell my 97 850 GLT wagon (sadness! 160k miles ...