I'm a new member, just joined because of this issue. I am an independent mobile mechanic in Nashville, TN. You can see my work on instagram and facebook under BlackOwlGarage. Working on 1990 E350 7.5l bus being converted to RV. There are many wires that have been replaced , and there is an added relay jumpered some-how for the fuel pump. The van will turn over but not start. I have replaced the coil, ignition module, and installed a used ECU. There is spark with the spout...
OBD1 help 1990 E350
