Fuel system

250

Asked by Fromtoptobottom Jan 27, 2019 at 09:12 PM about the 1990 Ford F-150 XLT Lariat 4WD SB

Question type: Maintenance & Repair

My fuel pump in the back
tank went out front tank
fuel pump was already
out i changed both
pumps, fuel filter, lines, it
started fine and went
down the rd about 6
miles and all of a sudden
died.  When i turn the key
on i can here the pump's
running its pumping gas
still will not start HELP
does anyone know what
this could be

1 Answer
9,530

Mike answered 5 years ago

Those pumps are special and not interchangeable also there's a check valve either in one of the pumps (I think it's the front one) or in the line. Do this, remove both fuel caps then keep cycling the key to see if the back pump is pumping into the front tank instead to the engine. Ford has either an old recall or tech service bulletin you may want to call and ask. I hope this helps, Take care.

Mark helpful

Your Answer:

Related Questions

  • Fuel system 1 Answer

    My fuel pump in the back tank went out front tank fuel pump was already out i changed both pumps, fuel filter, lines, it started fine and went down the rd about 6 miles and all of a sudden die...

    1990 Ford F-150 XLT Lariat 4WD SB

    -

    Maintenance & Repair

  • Fuel system 1 Answer

    My truck ran fine one day and went to leave the next and would not start. Checked fuse n changed relay and changed fuel pump. I am getting no power out of the relay or to the inertia switch. Any s...

    1997 Ford F-150 STD Extended Cab SB

    -

    Maintenance & Repair

  • Fuel system malfunction 2 Answers

    I have an 89 f 150 with two fuel tanks, the truck claims its running from the front tank but then the truck will die and have no gas in either. also when I fill up both tanks have gas missing. Any i...

    1989 Ford F-150 XLT Lariat Standard Cab SB

    -

    Maintenance & Repair

  • Fuel Delivery system 1 Answer

    F150 v8 4.6L does it have a return or returnless fuel system

    2001 Ford F-150 XLT Extended Cab SB

    -

    Maintenance & Repair

  • 1990 F150 fuel system 1 Answer

    Front fuel tank is bleeding into the rear fuel tank and creating a pressure on the rear tank and is blowing gas on to the ground. I need to know why it is doing this and also how to repair it. If the ...

    1990 Ford F-150

    -

    Maintenance & Repair

Shortcuts

Search Ford F-150 Questions

CarGurus Experts

  • #1
    OJ
    Reputation
    41,880
  • #2
    Gene Arnett
    Reputation
    15,990
  • #3
    Rowefast
    Reputation
    15,500
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used GMC Sierra 1500
147 Great Deals out of 7,686 listings starting at $4,944
Used Ford F-250
6 listings
Used Ford Mustang
39 Great Deals out of 1,634 listings starting at $7,999
Used Ford Ranger
28 Great Deals out of 704 listings starting at $6,495
Used Jeep Wrangler
136 Great Deals out of 5,982 listings starting at $2,995
Used Toyota 4Runner
21 Great Deals out of 527 listings starting at $7,700
Used Ford Explorer
60 Great Deals out of 1,834 listings starting at $6,990

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.