Well, I worked on the engine misfire problem today.I changed the fuel pressure from 37 psi to 22 psi. Still rough. Barry Abbot and I checked the plugs for misfire. He removed both the #1 and the #3 plug wires and we determined that the engine was only running on 2 cylinders. I tested the wires, plugs and traced the coil control wires back to the ECM. It looks like the ignition coil is the culprit. Tomorrow I will put the ohmeter to work and check out the primary and secondary coil circuits.
