1987 ford E350 460 7.5L backfires
acquired a 87' E350 econoline w/ 460 7.5L EFI cab over motorhome. this thing sat for some time owner told me "the fuel pump needed to be replaced, parts are there" replaced parts given (fuel pump, ...
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If it starts for a few seconds when putting fuel to the intake, it confirms the fact that it's not getting fuel. You've got no fuel pressure or restricted fuel pressure. It's a process of elimination at this point. Clogged filter, collasped intake sock in the tank, weak fuel pump, etc. Bad fuel but not likely.
