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post #1 of 21 (permalink) Old 08-24-12, 10:42 AM Thread Starter
Jeri
 
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92 F-150 Getting no fuel

Hello to all:
I am having a fuel problem with my f-150.
I hope I have entered the correct room or venue, if not please don't beat me up Thank you.
JeriK
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post #2 of 21 (permalink) Old 08-24-12, 12:45 PM
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re: 92 F-150 Getting no fuel

Welcome to the forums Jeri
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post #3 of 21 (permalink) Old 08-24-12, 01:23 PM Thread Starter
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re: 92 F-150 Getting no fuel

Hi Jwko:
Thank you for welcomeing me.
Jeri
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post #4 of 21 (permalink) Old 08-24-12, 01:31 PM
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re: 92 F-150 Getting no fuel

Welcome to the forums , what's the fuel problem you've got ?
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post #5 of 21 (permalink) Old 08-24-12, 03:36 PM Thread Starter
Jeri
 
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re: 92 F-150 Getting no fuel

Quote:
Originally Posted by R.S.LOGAN View Post
Welcome to the forums , what's the fuel problem you've got ?
Hi R.S. Logan:
Let me try and see if I can reply to you.

First of all I have a 92 F-150 with Duel fuel tanks. I am getting no fuel to the fuel rail. Checked pump relay, fuses and inertia switch. Purchased a new fuel filter got the old one off but not going to install the new one until I can get fuel flow to the filter inlet. Neither pump seems to be running, I am having a difficult time believeing both in tank fuel pumps have failed at the same time.

Note: the truck has been sitting idel for more then 1 year. Have looked for a wiring diagram but have had no luck testing thw wiring at the mid ship tank. I hate cutting into wires, only will cause more trouble in the future.

I am perplexed, so any help you could give would be appreciated.

Jeri
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post #6 of 21 (permalink) Old 08-24-12, 05:15 PM
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Re: 92 F-150 Getting no fuel

Here's the diagram. Have you checked the inertia switch, relay and underhood fuse? The pump isn't continuous. It runs a few seconds every time the key is turned to run and won't stay running until it senses the engine turning.
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post #7 of 21 (permalink) Old 08-24-12, 08:00 PM Thread Starter
Jeri
 
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Re: 92 F-150 Getting no fuel

Hi Bert:
Thanks for the diagram, I did swap the horn relay with the fuel pump relay....same condition. Also checked the fuse, looked at the inertia switch...but can not remember if I checked it for voltage. I'll give it a whirl tomorrow and report back. Question will there be voltage present at the inertia switch and at the fuel pump(s) with just the iginition in the "on" position???

Thanks
Jeri
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post #8 of 21 (permalink) Old 08-24-12, 09:49 PM
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Re: 92 F-150 Getting no fuel

Only for a few seconds. Check for power at the relay. You can bypass the relay to check where the problem lies. If you connect 87 and 30, the pump power will be on until you pull that connection. Pin 30 should have power at all times.
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post #9 of 21 (permalink) Old 08-26-12, 04:20 PM Thread Starter
Jeri
 
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Re: 92 F-150 Getting no fuel

Hi Bert
Here I am again, well here is what I have done so far. Checked the fuel pump fuse, (good) Fuel pump relay (good) Inertia switch (good). I would think the next logical test point is the fuel tank selector on the dash....( have no clue how to remove it ) UGH! Could I bypass it??? I was also thinking could it be a possibility that there is a ground point near both tanks that may have corroded? (shows one in the diagram you sent) Guess tomorrow is I crawl under and do some searching...
Thanks again for your help so far
Jeri
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post #10 of 21 (permalink) Old 08-26-12, 05:46 PM
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Re: 92 F-150 Getting no fuel

Did you bypass the relay and see how far in the circuit you find power?

Bert
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