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Fuel Pumps


This is a discussion on Fuel Pumps within the KJ General Discussion forums, part of the Jeep Liberty - KJ (02 to 07) category!
I have been thru a couple in a year and now I'm starting to have to restart the engine a ...

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Old 07-12-2018, 05:23 PM   #1 (permalink)
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Default Fuel Pumps

I have been thru a couple in a year and now I'm starting to have to restart the engine a couple of times to get enough fuel pressure to run. The OEM Bosch is no longer available. Looks like there are only a couple of different companies making most of the available pumps. Anyone else have FP issues? I have found the inline fuel filter not listed on anyone's parts breakdown and replaced it also.
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Old 07-12-2018, 06:56 PM   #2 (permalink)
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I put an AC Delco or Delphi in mine last year when I dropped the tank to fix the problem with it spitting out fuel when filling the tank
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Old 07-14-2018, 12:30 AM   #3 (permalink)
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Curious to know if one is much better than the next.

Jeremy, Will replacing the fuel pump assembly fix the fuel spitting out issue?
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Old 07-14-2018, 01:01 PM   #4 (permalink)
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Originally Posted by nohitter64 View Post
Curious to know if one is much better than the next.

Jeremy, Will replacing the fuel pump assembly fix the fuel spitting out issue?
No that is an issue with a rollover leak prevention device in the tank, mine was stuck open. I used a GM part to fix that, see HOW TO: fix the KJ fuel burp plague!
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Old 07-15-2018, 12:42 AM   #5 (permalink)
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Ok. I bought that GM part and then cracked the plastic with the razor knife cutting it out....despite knowing to be careful. Colorful language followed as I am not a fan of wasting money in such a blatant manner...I prefer less obvious ways. I was wondering if(hoping) there was another fix I didn't read about.

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Old 07-15-2018, 07:17 AM   #6 (permalink)
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That piece is the problem on the 2006 and the weld pad is permanently connected to the plastic tank. The poppet is supposed to be able to slide back and forth freely but mine was stuck open. I gave up on trying to fix it before I broke something
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Old 07-15-2018, 12:38 PM   #7 (permalink)
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Got it. I appreciate the explanation as I have been wondering what the exact issue is.

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