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Ford F-Series Fuel Pump/Fuel System

109 messages,  Last post on Dec 04, 2009 at 1:47 PM

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What is this discussion about? Ford F-150, Truck


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#5 of 109
Re: 1990 Ford f150 fuel pump relay [steve1dogg] by hotrod_7292
Jan 12, 2007 (7:48 pm)
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Replying to: steve1dogg (Nov 03, 2006 3:48 pm)

I am having the same problem with my 1992. Did you get it figured out?
#6 of 109
Re: 1990 Ford f150 fuel pump relay [hotrod_7292] by steve1dogg
Jan 13, 2007 (8:34 am)
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Replying to: hotrod_7292 (Jan 12, 2007 7:48 pm)

Yes, I did. It was the EEC.
 
I'd read many times that the problem is hardly ever in the engine control computer, so I kept looking elsewhere. I finally got to the point that it could possibly be the computer.
 
I took the computer out, opened the covers and found some burnt and disconnected leads on 2 of the components -- two capacitors actually. I bought another box from O'Reilly's, plugged it in and it started right up.
 
Hope I helped. Let me know
#7 of 109
was the eec bad in your situation also? by gedals
Mar 16, 2007 (8:29 pm)
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what was the final solution?
#8 of 109
fuel pump by gedals
Mar 16, 2007 (8:31 pm)
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what was the final solution??
#9 of 109
Re: was the eec bad in your situation also? [gedals] by steve1dogg
Mar 17, 2007 (7:12 am)
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Replying to: gedals (Mar 16, 2007 8:29 pm)

The EEC was bad. I bought a new one, installed it, and the problem was solved.
#10 of 109
Re: fuel pump [gedals] by steve1dogg
Mar 17, 2007 (7:13 am)
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Replying to: gedals (Mar 16, 2007 8:31 pm)

I replaced the EEC and that took care of it.
#11 of 109
Re: 1990 Ford f150 fuel pump relay [scubarash] by stan58
May 04, 2007 (6:37 pm)
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Replying to: scubarash (Jul 13, 2006 4:46 pm)

I can't find a high pressure pump on my 1990 302.
can you help?
stan58
#12 of 109
Re: 1990 Ford f150 fuel pump relay [stan58] by steve1dogg
May 05, 2007 (4:31 am)
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Replying to: stan58 (May 04, 2007 6:37 pm)

My 91 Ford F150 has a 4.9 inline six and only has one fuel pump inside the gas tank. Sorry.
steve
#13 of 109
Re: 1990 Ford f150 fuel pump relay [stan58] by 0patience
May 12, 2007 (1:01 pm)
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Replying to: stan58 (May 04, 2007 6:37 pm)

Steve is correct.
Gas engines have one pump. In the fuel tank.
#14 of 109
Re: 1990 Ford f150 fuel pump relay [0patience] by stan58
May 19, 2007 (4:20 am)
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Replying to: 0patience (May 12, 2007 1:01 pm)

just for info: the 90 f150 has feul pumps in tanks. the 87,88 & 89 have low pressure pumps in tanks and a high pressure pump on the side rail. might come in handy.stan58

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