Question about Ford F-150

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Ford truck 989 ford f150 xlt 5.0..cleaned fuel tank put in new pump&screen. put in new slave fuel pump ford f150 xlt 5.0..cleaned fuel tank ue pump & filter also 8 new inj989 ford f150 xlt 5.0..cleaned fuel tank put in new pump&screen. put in necters. engine still acts like its running out of gas and stop running. I can wait 30sec to one minuite and it starts and runs a few min then do the same over and over. what could be wrong? pls help..tomdorsey24@yahoo.com

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  • Ford Master
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Do you have 2 gas tanks?

Posted on Jun 21, 2017

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Posted on Jan 02, 2017

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alicantecoli
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SOURCE: 1986 ford ranger xlt 2.9 liter fuel injected

thermostat or blocked matrix in rad,evan head gaskets could be on the way out

Posted on Dec 25, 2008

  • 532 Answers

SOURCE: Ford F-150 starting problem

replace the fuel regulator,its about a $50.00 part and takes about 15 minutes to change,but first relieve the fuel pressure and you can do it in a couple of ways,hitting the fuel pump shut off swith(inertia switch)until the red button pops up,but remember to reset it when done,located either behind the passengers side kick panel or under the carpet in the middle under the dash then start it to run it out of gas which there will still be a little bit in the lines,...or drain it at the valve to check for pressure it looks like a valve stem for a tire.

Posted on May 08, 2009

  • 407 Answers

SOURCE: car has half tank of gas acts like its run out of gas until more

is there a engine light on? take the gas cap of and see if it does better you might have a plugged vent

Posted on Oct 28, 2009

  • 1 Answer

SOURCE: 2002 jeep liberty turns over

how many pounds of preasure is there in a 3.7 Lt engine

Posted on Sep 09, 2011

SOURCE: Ford F150 engine backfiring, running/idling rough

I Have a 1999 ford f150 4.6 that back fires and is just running really ruff when idling alot of nack fire a sord of like a pulse going on what is my problem?

Posted on Oct 12, 2011

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1 Answer

Fuel engine stops then start up in 1 min


You probably have an electronic ignition system to go with those fuel injectors. It sounds like it runs just long enough to empty the fuel out of the injectors, which means there might be a vacuum problem. I'm a carburetor person myself. Are you sure it sound like it NEEDS gas or could it be flooding?

Mar 29, 2014 | 1991 Ford F150

2 Answers

I have a 1994 Ford F150 XLT with duel fuel tanks! I have a full tank in the front tank, but when hit the switch for that tank, the truck goes dead! What is the cause of this?


common on older high mileage fors to either have the switch go out or the intank pump go bad, you cang ground terminal 6 on the underhood diag plug with key on engine off and switch from front to rear or vice versa and listen for fuel pumps to be running, likely one is not

Nov 12, 2010 | 1994 Ford F150 Styleside Supercab

2 Answers

My f150 started running rough and lost power...i replaced the fuel fitler and it ran better....now its back doing the same thing but now when you give it gas it backfires.....


The fuel pressure is weak,this happens a lot,the fuel filter was restricted ,and stained the fuel pump,this is a common thing,on all makes and models,the fuel pump is in the tank.

Jun 06, 2010 | 2003 Ford F150 Regular Cab

1 Answer

I have a 1991 ford f-150 xlt.I put a used battery in truck and let it charge up.It ran aprx 30mins and it ran out of gas. Put gas in it and tried to start it and now it will not start.Both fuel pumps are...


If you have dual tanks, like I have, the there is a mechanical fuel selector valve that both tanks hook to. When it fails, it usually fails so you can't get fuel out of the front tank. If you haven't tried yet, put some fuel in the back tank and give it a try. If the truck runs again, you need to swap out the shuttle valve.

Oct 30, 2009 | 1991 Ford F150

4 Answers

1990 F150 Fuel pump just replaced but wont turn on


Replace the fuel pump relay. And if your truck has dual tanks there's three fuel pumps, one in each tank and another secondary fuel pump.

Aug 21, 2009 | 1990 Ford F150

1 Answer

Dual tanks on 1990 Ford F150


It should not cause no problems but instead of removing the tank leave it in the truck take out all the fuel in the tank and jus discontinue use of it. This will save you alot of time and trouble and i also suggest that if anyone besides you drives this vehicle then i would put a locking gas cap on it so it cant be accessed at anytime except by you.

Jun 23, 2009 | 1990 Ford F150

1 Answer

I have a 1991 Ford F150 4 x 4 inline 6 4.6L. Dual


your truck is a 4.9L, make sure you have power to the front tank fuel pump. is the power to the pump is ok and you can hear the pump run for a second or two when you key the vehicle on... replace the fuel tank selector valve

Apr 17, 2009 | 1991 Ford F150

1 Answer

95 Ford F150 XLT


put new fuel pump and filter and still dying out at times.

Apr 10, 2009 | 1995 Ford F150 Styleside Regular Cab

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