How do you know your fuel pump is going bad? - JeepForum.com
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Unread 06-18-2009, 01:49 PM   #1
cmedeiros17
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1992 YJ Wrangler 
 
Join Date: May 2009
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How do you know your fuel pump is going bad?

How do I know if my fuel pump is bad? My Jeep was in the shop right after I purchased it getting the Ujoints and a few other things replaced. I mentioned to the mechanic about a funny noise that I hear constantly when the jeep is running. It sounds like a weird humming noise coming from the back of the jeep. He thinks it could be the fuel pump. He didn't really check it out, I only mentioned it to him when he dropped it off to me. And since I just dropped a ton of money on it at the time getting it fixed up I didnt want him to take the fuel tank out just to look at the pump.

I am now having my frame repaired and they have to drop the tank anyway.........so I'm toying with the idea of just replacing the damn thing. The place doing the work on the frame said they'd do it at no cost- just give them the pump and they'd install it for me. I guess it makes since to do since its only around $100 for the pump.

Ideas?

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Unread 06-18-2009, 03:44 PM   #2
havasu
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That sounds like cheap insurance. When some pumps go out, they will give you some noises to help determine if they are on their last leg, and others will just stop working. Spend the money, you won't be sorry!
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Unread 06-18-2009, 09:24 PM   #3
azguy54
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Replaced three in a company Tahoe I had. All made a hum or buzzing sound before going. Yeah, I agree with havasujeeper.......go for it!
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Unread 06-19-2009, 04:34 AM   #4
cmedeiros17
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Thanks, I picked one up from my local Jeep parts store. For only $100 it does make sense to replace anyway, though it sounds like it must be on its way out.
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Unread 06-19-2009, 08:59 AM   #5
havasu
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Because I'm sure your fuel lines are 17 years old and probably original, I would also pay a few bucks and have them install new fuel lines.
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