1997 ford explorer 5.0 V8 -- the engine is missing either a vacuum plug or a hose from underneath the fuel injection horn on the rt. side rear near the firewall - there are two small vacuum lines right in front of the 1/4' line that is open ended -I dont know if the line is sopposed to continue on or be plugged. I put a temp plug and the engine runs better but I dont know what it does to the emissions tks for any info you can give me. woody b.
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I don't have one but you can check the Chilton's manuals for it all the 5.0 ford motors are pretty much the same vacuum schematics so check for your trucks book & for the van's and pick up trucks you can also go to a junk yard and take a picture of the sticker then print it I'm guessing that yours is missing from the fan shroud or the hood
disconnect all fuel lines to the tank, vacuum hoses to tank and electrical connections at tank, fuel filler hose from gas cap. support the fuel tank and undo the tank straps then lower the fuel tank(it will be heavy). clean surface of tank from dirty then undo the locking ring that holds the tank unit to the tank and remove the unit. I think on this model of truck the complete unit gets changed not just the pump. assembly in reverse.