fuel pump wont run after replacing with new pump
265

Asked by xxshane22xx Jul 04, 2014 at 06:07 PM about the 1998 Ford F-150

Question type: Maintenance & Repair

have a 98 f150 thought the pump died wouldn't start one day checked fuses and relays all good so figured had to be the pump. bought new pump tested and it works, so I replaced pump got it done went to start pump still not engaging... tested old pump at this time and it works also... GREAT... $$$.... so we tested power to pump and are getting voltage tested the reset switch and it too has power any thoughts on what else it could be...??? all my coworkers and I are stumped

11 Answers
144,885

T_S_T answered 10 years ago

Have you checked for fire at plug wire?

2 people found this helpful.
Mark helpful
265

xxshane22xx answered 10 years ago

yes we also checked that, it tries to crank but I still don't hear the pump turn on we just took the line off the pump and tried to turn over no fuel coming out

11 people found this helpful.
Mark helpful
144,885

T_S_T answered 10 years ago

If you have replaced all relay,s and fuse,s,could have a bad ecm/Brain.

5 people found this helpful.
Mark helpful
265

xxshane22xx answered 10 years ago

just was playing around and being that I was getting power to the pump I decided to test the ground so I cut the ground wire and hooked the ground that I ran from the neg. side of the battery and it fired right up. so turns out I had a bad ground...

11 people found this helpful.
Mark helpful
20

Mrmechanic2133 answered 8 years ago

My brother 96 Chevy I had been working also had a problem like yours. A bad ground was also the problem so I had sanded the rust off the cross member (where it was grounded with a bolt) and it has no problem firing up

2 people found this helpful.
Mark helpful
20

GuruTYKMB answered 6 years ago

im not even getting power to saftey reset anyone have any ideas

2 people found this helpful.
Mark helpful
20

Chaz answered 5 years ago

On these obs there is a fuel pump shut off button is shuts off all power to the fuel pump it is to the left of the brake pedal check for that

2 people found this helpful.
Mark helpful
50

GuruS4F2L answered 5 years ago

I have a 2013 Ford F-150 I being a new fuel pump is not turn on and the fuse is good

5 people found this helpful.
Mark helpful

Your Answer:

Related Questions

  • fuel pump wont run after replacing with new pump 11 Answers

    have a 98 f150 thought the pump died wouldn't start one day checked fuses and relays all good so figured had to be the pump. bought new pump tested and it works, so I replaced pump got it done went to...

    1998 Ford F-150

    -

    Maintenance & Repair

  • Ford F150 still running hot after replacing fuel pump 3 Answers

    Replaced the water pump, bled coolant system and its still running hot but not as fast or as bad. I took out the thermostat and the heater core was rerouted b4 I bought it....help plz!

    1997 Ford F-150

    -

    Maintenance & Repair

  • new fuel pump and filter, still wont start 10 Answers

    bitter cold, truck wont start, fuel pump not operating, changed it out and installed filter at same time. Gas now shooting past filter as it should. still no start, checked pressure at manifold gas ap...

    1998 Ford F-150

    -

    Maintenance & Repair

  • My 2008 f150 won't stay running after new fuel pump 2 Answers

    Put my 2008 f150 in shop for new fuel pump,they said it's throwing a code now and won't stay running they are triing to figure it out

    2008 Ford F-150 Lariat SuperCab 4WD

    -

    Maintenance & Repair

  • Put a new fuel pump in 93 f150 and the relay clicks and the fuel pump don't run 3 Answers

    93 f150 ..4.9 liter . Just installed new fuel pump in front tank, all it does is click no humming sound from it when turn the ignition on? What could be the problem. The relay clicks and the pump cl...

    1993 Ford F-150

    -

    Maintenance & Repair

F-150

Looking for a Used F-150 in your area?

CarGurus has 13,933 nationwide F-150 listings starting at $1,712.

Postal Code:

Shortcuts

Search Ford F-150 Questions

CarGurus Experts

  • #1
    OJ
    Reputation
    42,600
  • #2
    Gene Arnett
    Reputation
    16,040
  • #3
    Rowefast
    Reputation
    15,890
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet Silverado 1500
195 Great Deals out of 5,877 listings starting at $2,975
Used GMC Sierra 1500
128 Great Deals out of 6,516 listings starting at $3,975
Used Ford F-250 Super Duty
18 Great Deals out of 1,178 listings starting at $8,995
Used Toyota Tacoma
46 Great Deals out of 1,074 listings starting at $9,995
Used Ford F-250
4 listings
Used Dodge RAM 1500
6 Great Deals out of 72 listings starting at $3,000
Used Ford Mustang
58 Great Deals out of 1,366 listings starting at $4,995
Used Ford Ranger
26 Great Deals out of 1,602 listings starting at $3,995
Used Chevrolet Silverado 2500HD
27 Great Deals out of 1,241 listings starting at $9,500
Used Ford Explorer
75 Great Deals out of 2,091 listings starting at $3,995

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.