"I have a 1989 4.3LX(4bbl&
"I have a 1989 4.3LX(4bbl) Aplhpa one. I just changed plugs, wires, cap and rotor, fuel filter. Starts and runs fine in driveway. Starts great at the dock, let it warm up, once warm it won't idle, then it won't restart. Any suggestions? Thanks."