TAshreve
Joined: 03 Jun 2006
Posts: 1
Location: lakeland,fl
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 Posted:
Sat Jun 03, 2006 2:34 am Post subject:
1985 f150 no power to fuel pump |
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1985 f150 dual tanks,5.0 engine have no power to fuel pump truck was running real well let set 1-day never run again! replaced relays inside and out,replaced high pressure fuel pump,removed fuel tanks cleaned them real well,replaced igntion switch,replaced ECM,replaced emergency fuel shut off switch,cleaned and replaced fuse box,replaced fusable links,replaced in line fuel filter,have 500.00 inparts truck still don't run. When i replaced ignition switch the voltage on the wire from inside truck to relay under hood went from 1.5 volts too 10.5 volts.From that wire bypassing relay under hood to fuel pump - pump will run "but" truck won't start.I'm at my witts end!
I want too use truck for 4th of july see how well it will burn
Thought about putting a electric fuel pump on, drop fuel tank take that pump out, put line in with filter.
Talk with ford they don't have any ideas
Thank you for any good help to this problem 
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spider1468
Joined: 04 Sep 2007
Posts: 1
Location: Lacon, IL
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Tue Sep 04, 2007 12:07 am Post subject:
same problem any luck? |
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| just recently bought an 85 f150 4x have almost same prob pumps run engine dosnt, changed relay ran good 15 min then died and wouldnt start, replaced high pressure pump and got same results good power everywhere but pump relay gets really hot just b4 it dies, have you had any luck or did it make a good fire? |
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