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91 Toyota, Fuel pump keeps dying
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trathson
User
Jan 7, 2014, 11:17 PM
Post #1 of 14
(2271 views)
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91 Toyota, Fuel pump keeps dying
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Alright, so I have a 91 Toyota Landcruiser. It sat in the woods for 4 years or so, and I've finally gotten it out of there and finished most of the repairs. Trouble is, the fuel pump won't last for more than a couple days. I've gone through 4 pumps now.
I take them out of the box and test them, they work fine. I install them and start the vehicle up and it runs perfect. I let it sit over night, and then try it again in the morning. Low and behold, it won't start.
So, I take the pump out and hook it to a 12 volt battery, and sometimes I can get them to run again by beating on them, other times they won't run besides an initial try.
The pump is getting power, someone else in the house supposedly put fresh gas in, but green corrosion does get on the pump assembly sometimes after being in the tank. Though not so much this past few times.
Any ideas?
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trathson
User
Jan 8, 2014, 10:21 PM
Post #3 of 14
(2232 views)
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Re: 91 Toyota, Fuel pump keeps dying
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Well, forgive my ignorance, but will exposure to corrosion ruin a pump in that short amount of time? Yeah, something obviously is, but I would have thought corrosion would need more time to do its work...
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jan 9, 2014, 3:24 AM
Post #4 of 14
(2225 views)
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Re: 91 Toyota, Fuel pump keeps dying
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Here's a quote from a parts outlet about these and other pumps.....
"Notes: *** Caution *** a fuel pump is more likely to fail if installed without a new strainer and filter. warranty valid only if strainer is replaced at the same time as the fuel pump."
Either you have a whole bad batch or this pump it burning itself up inside with junk. Depending on the inside design some pumps in general with croak in no time if run dry! That could be the strainer quickly clogs or out of fuel situations.
I think you should look into a new tank for this if you expect it to last,
T
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Hammer Time
Ultimate Carjunky
/ Moderator
Jan 9, 2014, 3:25 AM
Post #5 of 14
(2222 views)
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Re: 91 Toyota, Fuel pump keeps dying
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Anything foreign that gets sucked into a pump will ruin it. If the tank is not perfectly clean, the pump will get trashed.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Discretesignals
Ultimate Carjunky
/ Moderator
Jan 9, 2014, 3:46 AM
Post #6 of 14
(2219 views)
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Re: 91 Toyota, Fuel pump keeps dying
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Yes, it sure ain't going to last too long if the inside of your gas tank looks like this:
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jan 9, 2014, 4:14 AM
Post #7 of 14
(2216 views)
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Re: 91 Toyota, Fuel pump keeps dying
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I guess it would be fine if you used a "frog pump".
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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trathson
User
Jan 10, 2014, 1:39 PM
Post #8 of 14
(2197 views)
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Re: 91 Toyota, Fuel pump keeps dying
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The pump I'm installing now is a Bosch. Here are pictures of what I'm dealing with. Same consensus?
http://www.flickr.com/photos/28709586@N03/11876376504/
http://www.flickr.com/photos/28709586@N03/11875962885/
http://www.flickr.com/photos/28709586@N03/11875948325/
(This post was edited by trathson on Jan 10, 2014, 1:43 PM)
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Hammer Time
Ultimate Carjunky
/ Moderator
Jan 10, 2014, 2:53 PM
Post #9 of 14
(2188 views)
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Re: 91 Toyota, Fuel pump keeps dying
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I'm not sure what you're trying to show us. You don have some corrosion on the wire connector that needs to be wire brushed off.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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trathson
User
Jan 10, 2014, 4:01 PM
Post #10 of 14
(2181 views)
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Re: 91 Toyota, Fuel pump keeps dying
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My goal was to show you what going on, whether you still advised replacing the tank. I can clean the leads again, but I did make them golden a couple weeks ago.
I'm trying to learn. I've done a bit of my own mechanic work, but I'm not very experienced. Obviously ;)
(This post was edited by trathson on Jan 10, 2014, 4:03 PM)
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Hammer Time
Ultimate Carjunky
/ Moderator
Jan 10, 2014, 4:16 PM
Post #11 of 14
(2178 views)
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Re: 91 Toyota, Fuel pump keeps dying
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If there is ANY contamination in the tank that can't completely and permanently removed, then the tank has to be replaced.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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trathson
User
Jan 10, 2014, 4:19 PM
Post #12 of 14
(2176 views)
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Re: 91 Toyota, Fuel pump keeps dying
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Ok, I'll update when its been replaced. Thanks
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trathson
User
Jan 19, 2014, 4:14 PM
Post #13 of 14
(2139 views)
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Re: 91 Toyota, Fuel pump keeps dying
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Ok, work is done. Been about a week and no issues thus far. Thanks for all your input 
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Hammer Time
Ultimate Carjunky
/ Moderator
Jan 19, 2014, 4:50 PM
Post #14 of 14
(2133 views)
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Re: 91 Toyota, Fuel pump keeps dying
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Glad you got it resolved.
I'm closing this question as solved now to keep the spammers out. You can request it be reopened through any Mod.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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