Where is the pcm relay located on my 2001 ford f150
sounds like ECM relay issue. On my 96, my EC relay in under the hood in fuse panel. The EC and fuel relay are beside each other near fender. The 20A yellow fuse beside it, controls the pump. Pull it out and check it too ( needle nose pliars). Those 2 relays are the same exact relay and schematic. they are also the same relay on the Ranger. Get em out of any junk yard and they will work just fine ( I tested out Ranger relays on my F150 today, in fact. They work just fine ( all the numbers on the side casing match).
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