fuel pump fuse blows - Car Troubleshooting


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morganlab
New User

Jan 30, 2009, 1:40 PM

Post #1 of 3 (3813 views)

fuel pump fuse blows	Sign In

2001
lincoln navigator
5.7
114,000 miles..

last week i made a post about how my vehicle broke down and found the fuel pump fuse was blown. replaced it everytime i try to crank it would blow right away.. well someone here suggested to also swap out fuel pump relay fuse so i did that as well same problem.. well had it towed to mechanic he checked it out after about a hour of checking it out he said he put a paper clip in the fuse slot and cranked it up and got it running so he then put fuse in it and crank everytime.. well he didnt want to put new fuel pump in just incase it didnt need it. well now its doing it again fuse blew out so i tried doin what he did puting a clip in it but all it did was burnt up the clip.. any suggestions on what i can do to trip the fuel pump again to get it to crank... also could it be a wiring problem or fuel pump.. any help is appreciatted

Double J
Veteran / Moderator
Double J profile image

Jan 30, 2009, 1:58 PM

Post #2 of 3 (3801 views)

Re: fuel pump fuse blows	Sign In

I remember reading your last post...
It was suggested By W20 that if it was the 20 amp fuse blown,then try swapping out the fuel pump relay itself.
Then suggested to check wiring to and from fuel pump.

Yes,it could be wiring,Yes it could be the fuel pump,NO,never replace a fuse with a paper clip or anything other than a fuse or circuit breaker.
If it is a wiring problem,you'll find it for sure right away when you fry the wiring harness.

I suggest taking it to another shop for diagnosis/repair.

(This post was edited by JIM N on Jan 30, 2009, 2:01 PM)

morganlab
New User

Jan 30, 2009, 2:03 PM

Post #3 of 3 (3802 views)

Re: fuel pump fuse blows	Sign In

ok thanks for suggestion.. yea i got his reply about the fuel pump relay so i changed it out first thing but still a no go.. i wil be putting it in shop this week... i will right back let you know what they found out

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