misfiring at around 40 miles per hour on 2004 Honda Accord

had spark plugs replaced, but this didn't fix the problem

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3 answers 3 comments
Light on? If so what are the codes? Coils and plug boots been checked?
More specific detail of condition needed......Engine RPM , speed and load condition when misfire occurs to start with , rule out trans problem..............
check engine light on?
we'll probably never know..............
reeboc77 doesn't care what you think
Hell , for that matter , most of the time I don't care what I think (only do.....to the fact that I don't know what I think.)........green jelly!!!!!!!!!!!!!!