This is starting to drive me nuts!
10,000 miles on rebuilt engine (B230FT), been running perfect. Suddenly developed rough running. No smoke. Replaced distributor (found leaking inner seal anyway, so needed that whether it was the problem or not) with a new one. New plugs.Connecting a timing light to any plug wire, or the wire from dist. to coil, or "+" wire on low side of coil shows that at random points, there just isn't a signal to spark. Tried two different ignition modules (located on inner driver fender) with no change. Tried disconnecting knock sensor, no change.
Thoughts?
TIA, Tony