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Ford F-Series Fuel Pump/Fuel System
193 messages, Last post on Sep 19, 2012 at 5:35 PM
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What is this discussion about? Ford F-150, Truck
#120 of 193 91 Ford F-150 Dual Fuel Tanks Overflow by tim155
Apr 26, 2010 (7:24 pm)
I have a 1991 Ford F-150 pickup with dual fuel tanks. Truck has a v-8 engine. The problem is while truck is running, with rear tank selected the front tank over flows really bad. I can remove the fill cap on the front tank and start the truck (switch in rear tank position) and the gas runs out onto the ground. The front tank will not work at all. When I select front tank, the gage goes to empty and the pump does not come on nor will the truck start. When I change the dash switch to rear tank, the gage rear the correct amount and the pump pumps and truck starts and runs down the road pretty good until about 60 mph them it loses power and starts to like miss a little like not enough gas coming in to engine. How can running off my rear tank pump gas into my front tank and over flow it but yet front tank does not work at all? I have read all the forum here and read about a change over valve on frame but I can not find on my truck. The rear tank 3 fuel lines appear to go to top of my front tank and 3 fuel lines (hose) come out of front tanl and 2 go up behind engine and 1 crosses over to passenger side and into right side of engine area. Is there a change over valve in my tank or else where? I am at a loss here. Thank you in advance for advice.
#121 of 193 Re: 1992 F-150 [broughan] by fordf150guy
Apr 28, 2010 (7:07 pm)
Replying to: broughan (Nov 17, 2009 8:40 am)
did you figure out the problem
#122 of 193 F-150 by georgesrun
Apr 28, 2010 (7:38 pm)
Yes the problem with my 1990 F150 was the fuel pump sensor. thanks.#123 of 193 Ford F-150 1992 XLT lariat Fuel problems by shaddyy
May 11, 2010 (7:45 pm)
Hey guys i just recently bought my first car.. or truck rather heh.. but when i bought the truck the old owner told me that the truck had been sitting for 15 months straight and had old gas in it, and said it would drive for about 10 miles and i would have to let it sit for 30 minutes to let the old gas clear out, he also gave me a new fuel filter because he said he thought it was the fuel filter with bad gas in it which would cause the truck to stall out and not get any gas. Well to make a long story short, i drove the truck home it kept stalling out about every mile.. had to wait.. while i drove the truck it felt like the engine wasn't getting any gas at all, it would sputter, and i would press the peddle down, and it wouldnt even take off or anything.. the engine turns off and i had to pull off the road and wait a little bit, now when i was on my way home i happened to stop at a shell gas station with a local mechanic there, he put in the new fuel filter for me and it ran fine for about a half a mile and continued to do the samething, now my question is..is this a fuel injector problem? old gas need to get some seafoam? or vacuum line failure.. im not really great with cars im just now getting into it.. i appreciate any replies or any help very gratefully.#124 of 193 georgesrun by georgesrun
May 17, 2010 (4:58 pm)
Check the fuel pump. Turn on the key, how long does the pump run? Should be just seconds. then check for a collaped fuel line, i had that on one Ford Pickup I had and it ran similar. Of course they mad be all metal on yours.#125 of 193 89 F-150 by rgroom
May 19, 2010 (8:41 am)
I have a 89 F150 w/4.9L. It had a fuel pump issue fixed that now it has a real bad miss when warm and under load. Any ideas?- 95fordf150 (May 24, 2010 2:01 pm)
Replies to this message:
#126 of 193 Intermittent Starting Problem by tlkarsch
May 20, 2010 (6:19 am)
I have a 2002 F150 with a 4.6 L engine and I drive it a couple times a week. I live in Maryland and about a month ago after a normal drive on a semi hot day...I shut the engine off and when I tried to restart it a little later...it wouldn't start. The engine would crank over but it would fire up. After letting it set for about an hour...it started and appeared to run fine. The problem has happen 3 times so far and appear to be linked to outside temperature because if it's cool (in my judgement) it starts with no problems...on days above 80 deg it won't start after driving till warm up. Everything else seems to be OK...engine temperature...driveability. Have had it to the dealership and they have no clue to it's problem. Any thoughts and/or ideas as to the problem would be appreciated.#128 of 193 georgesrun by georgesrun
May 23, 2010 (7:23 pm)
I agree with the idea that it sounds like an open in the coil when it gets hot.#129 of 193 Re: 89 F-150 [rgroom] by 95fordf150
May 24, 2010 (2:01 pm)
Replying to: rgroom (May 19, 2010 8:41 am)
I'd try plugwires if you haven't
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