Fuel Pump issue? - Taurus Car Club of America : Ford Taurus Forum
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post #1 of 26 (permalink) Old 01-30-2017, 03:59 PM Thread Starter
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Fuel Pump issue? (UPDATE: FIXED!)

So yesterday I replaced my driver side wheel hub. Took it for a spin and everything was great. Parked car for a few and I went to go home as I did this at my parents house and car would not start. Good crank but no start. I then listened for fuel pump and did not hear it prime. So my guess was bad pump. But then about 20 minutes later I went to push car to better part of driveway, out of the way of other cars, and decided to try again and what do you know, heard pump prime and then car started without issue.

Can the fuel pump be intermittent like that? I thought when a pump went bad it just stopped all together.
Could this be a fuse or relay issue or is my pump going bad. Really not wanting to have to drop my tank .... ugggg

Last edited by broke(n); 02-06-2017 at 03:49 PM.
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post #2 of 26 (permalink) Old 01-30-2017, 04:05 PM
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Originally Posted by broke(n) View Post
So yesterday I replaced my driver side wheel hub. Took it for a spin and everything was great. Parked car for a few and I went to go home as I did this at my parents house and car would not start. Good crank but no start. I then listened for fuel pump and did not hear it prime. So my guess was bad pump. But then about 20 minutes later I went to push car to better part of driveway, out of the way of other cars, and decided to try again and what do you know, heard pump prime and then car started without issue.

Can the fuel pump be intermittent like that? I thought when a pump went bad it just stopped all together.
Could this be a fuse or relay issue or is my pump going bad. Really not wanting to have to drop my tank .... ugggg
Yes my last two ('03's) were intermittent. I could key on and not have it run, key off, key back on and then it would prime. New pumps in both, no more issues, and that was over a year ago on the last one.

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post #3 of 26 (permalink) Old 01-30-2017, 04:08 PM
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Fuel pumps can often present as an intermittent issue but an iffy battery has been known to cause strange gremlins as well. How is the battery?
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post #4 of 26 (permalink) Old 01-30-2017, 04:14 PM Thread Starter
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My battery is new. Refurb but new. No corrosion. Fully charged.

I also forgot to mention something important.
A few times when starting the car, it idles very weak and will almost die or will die and pressing gas peddle does little to help. So I was thinking that could be a sign as well and maybe fuel filter?

Last edited by broke(n); 01-30-2017 at 04:20 PM.
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post #5 of 26 (permalink) Old 01-30-2017, 08:19 PM
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Both of my failed fuel pumps in my 2001s failed intermittently. No start, then wait and it would start. Multiple time they did that and almost seemed like a thermal overload switch was built into the motor but there isn't one.
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post #6 of 26 (permalink) Old 01-31-2017, 07:35 AM
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I had this issue for a whole year. IMO, this sounds like a fuel pump issue. I've replaced mine for less than I thought it would cost. Pump at AutoZone cost under $200 and labor was cheaper than $200 as well.

Summer time in warm to hot climates tend to make this issue with the fuel pump more prominent.

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post #7 of 26 (permalink) Old 01-31-2017, 07:59 AM
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Originally Posted by broke(n) View Post
Really not wanting to have to drop my tank .... ugggg
Being from California, you still CAN drop the tank. Here in the rust belt one cuts it down. Anyhow, you don't HAVE to drop the tank to get the fuel pump out -

Fuel pump cutout

Works on 1996 - 2007 Taurus and Sable.
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post #8 of 26 (permalink) Old 01-31-2017, 08:50 AM
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A pretty good video about replacing a fuel pump. I don't think I'd be cutting a hole in the floor to replace one. I think mine needs to be replaced, too.


Hope your car's not full of gas!
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post #9 of 26 (permalink) Old 01-31-2017, 09:32 AM
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it's not really that bad dropping the tank to replace the pump. it's not like some cars where you have to deal with the subframe or suspension components (but I like the ones where they have access under the back seat)
if you have the original fuel pump, just replace the motor. You'll save a lot and the fuel gauge is more accurate on the stock pump. They sell kits for $80 online (AirTex) which includes the motor and the filter.
you need to have a buddy help you out since the tank is very wide. I have to call my friend to help with my taurus and I did it myself alone on my ford mustang since the tank is smaller.
one trick to activate the pump is to pound the tank with a mallet, if it runs then it's a pump issue (most of the time if the pump failed it won't work)


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post #10 of 26 (permalink) Old 01-31-2017, 12:24 PM
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it's not really that bad dropping the tank to replace the pump. it's not like some cars where you have to deal with the subframe or suspension components (but I like the ones where they have access under the back seat)
if you have the original fuel pump, just replace the motor. You'll save a lot and the fuel gauge is more accurate on the stock pump. They sell kits for $80 online (AirTex) which includes the motor and the filter.
you need to have a buddy help you out since the tank is very wide. I have to call my friend to help with my taurus and I did it myself alone on my ford mustang since the tank is smaller.
one trick to activate the pump is to pound the tank with a mallet, if it runs then it's a pump issue (most of the time if the pump failed it won't work)
I would start with keying the cycle over and over until you hear it run. I got by with that couple times to get the car home. (both cars) And let it cool a few minutes from the first fail.

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