It will run on the high pressure pump alone if there is enough fuel in the tank. I actually have one doing that right now, the in tank pump shorted out so bad it smoked the wiring. The later trucks did away with the 2 pump setup and went to a...

Just purchased a 66 F100 a few weeks ago. New to this group. It has a big block V8. I was told it is probably a 429 motor. Gas pedal keeps falling off. Any ideas? Not a very good design.

Thanks for your feedback, I pulled the pressure regulator and turned on the key.. I am getting a good volume of fuel for about a second. and it stops. which in supposed to operate that way when the EEC grounds out the relay. I did find out that...

The second pump is the true pressure pump, the ones in the tank are low pressure transfer pumps. If the high pressue pump has failed, you will have troubles as it needs the pressure to get proper spray as well as simple delivery. The regulator is...

As it would be I have one of the most complicated fuel systems ever manufactured by ford. I have dual tanks, Two in tank low pressure pumps, 1 high pressure pump on frame rail, dual reservoir, selector switch on dash, etc, etc, etc. Everything is...

Likely to be fuel pump related, whether control or pump itaelf.

Welcome! Hope we can help you out.

I can definitely understand life getting in the way - living that myself. Welcome back!

My fellow gear heads: greetings! My name is Paul (but I go by Skully in here) and I am a returning member from about 6 years ago. What can I say: life got busy and kept me from posting or even turning a wrench on my F250. I lost my father to...

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Coming back after taking off a few years for retirement .

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Dad was a mechanic 40 years and I have common knowledge but I wish I had the knowledge he had. So I am going to be asking about a 92 Ford F-150 XLT lariat extended cab 5.0 automatic transmission. Rwd. Please be patient with me. Ty ahead.

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Hey everyone! I am new to the group. I just purchased a 51 f1 panel truck that I will be restoring and am here to find help and direction