[Prankster]

Fuel filter changed while trouble shooting. Cat no longer glows red after changing coil housing and coils.

Talked with tech from Wells, suggested try changing plugs (Autolight double plats with 9,000 miles on them). Guess what, engine quit shutting off. Problem now is that the engine will stumble randomly, but it is usually with part throttle when going uphill. Problem is getting worse the more miles I put on the plugs. I am stumped.