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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Fuel issues

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Old Oct 22, 2021 | 03:13 AM
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Fuel issues

I've searched high and low with no luck.95 f150 5.0 efi.new pump new filter and regulator.truck runs great for 5sh minutes thin starts acting up like its starving for fuel ,shut it off and will not start back unless I remove the Schrader valve or unhook fuel line from filter and cycle key on 1x blow fuel all over everything reinstall either valve or filter line and runs flawlessly after that.only code is smog pump and low idle when it starts acting up.any help would be greatly appreciated.ps iv done 2 pumps 2 regulators and 1 filter
 
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Old Oct 22, 2021 | 08:19 AM
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Does it matter which tank it is running on?
 
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Old Oct 22, 2021 | 01:39 PM
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Tank

Sorry I didn't mention that. It just a one tank in the rear
 
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Old Oct 22, 2021 | 02:42 PM
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Was this going on before you installed the new fuel pump? Have you tried cycling the key without removing the FPR or the filter line and see if it would start? When it dies and you cycle the key can you hear the fuel pump run? Sorry had to edit this once.
 
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Old Oct 22, 2021 | 06:51 PM
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Yes

Yes it was that was the reason for new pump filter and regulator but it didn't fix it. I have tried cycling key on off several times.i even unplugged the little computer bypass with no luck.
 
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Old Oct 22, 2021 | 07:14 PM
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Is your truck a two tank version? If so why do you have just one tank. Is it still in the truck if you have dual tanks?
 
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Old Oct 23, 2021 | 08:37 AM
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On tank

One tank in the rear is all.
 
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Old Oct 23, 2021 | 09:06 AM
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and runs flawlessly after that


For how long?
 
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Old Oct 23, 2021 | 09:13 AM
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I am unsure how to proceed with a fix for your symptoms. Let's see if someone will chime in and offer you suggestions.
 
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Old Oct 23, 2021 | 10:00 AM
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Flawlessly

Jas88.this is when it starts the intermittent crap.after I do the Schrader valve or fuel filter trick it runs great all day then if I shut it off it may start back and he may not.i ran it for about 1 hour trip the other day it was fine.i pulled in at the store to grab a biscuit before work Bout a mile from work. Came out the store started truck made less than 100ft started acting like it was running out of gas.i let it pull its self to work in four low cause it idled fin just couldn't give it fuel. It set for 10hrs before I tried to restart it. Just crank no start. I cycled key several times with no luck.finaly took Schrader valve out and turned key on,blowed fuel everywhere, turned key off put valve back in truck started perfect and ran great for the 1hr trip back home. Haven't messed with it since
 
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Old Oct 23, 2021 | 10:41 AM
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Schrader valves can fail. Since fuel seems to be blocked at the valve, it would be cheap and easy to try a new one.
 
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