Help 460 efi qustion
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Laughing Gas
Joined: Apr 2009
Posts: 903
Likes: 9
From: melbourne beach, fl
Help 460 efi qustion
:-x25:-x25this is such agreat resource for everyone here so i really am happy to have all your help.the truck is s 1990 f350 460 efi and the concern here is that there is power to the coil although no spark and fuel pump is working although no fuel to the cylinder in as in there is no power to the injectors.i tested the relays and have no power to the yellow wires that are supposed to be hot constantly.a few days ago this problem surfaced and here's how it occurred.i stopped truck ,turned off key and attempted to start and key turned all the way forward and nothing,no noise whatsoever,then a minute later i started no problem.also when driving at mid throttle acceleration is ok and then past mid point ,no response ,and actually boggs down like the pump isn't pumping enough fuel.truck has cut out a few times and i'm thingkiing it might be in the ingition switch itself.any iedas out there?
