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04-21-2012, 06:10 PM
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#1 |
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Senior Member
Join Date: Nov 2005
Location: maine
Posts: 323
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loud fuel pump?
i have a walbro pump that came with 7th injector kit.
pump has always been louder then stock, which i think is normal, slight high pitched hum. noticed slight gas smell the other day then pump got louder, and from outside the truck you can hear the pump and also air hissing. seemed like too much pressure building up. no fuel spraying anywhere or any noticeable problems. blocked vent, or clogged fuel filter? over 100k on stock filter  gonna start there and work my way $$$ any help or ideas appreciated!
__________________
-Simon 2004 Tacoma sr5 v6, trd supercharger, urd 7th injector, 2.2 pully, jba headers, airaid .jr, fm, mtr's, saw's, bilstein's, aal's and my dog tinker. |
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04-21-2012, 09:46 PM
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#2 |
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Senior Member
Join Date: Oct 2007
Location: New Hampshire
Posts: 275
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It could be the pump is coming loose from the high pressure rubber fuel hose inside the tank. The hissing may be fuel spraying out inside the tank.
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04-21-2012, 10:42 PM
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#3 |
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Senior Member
Join Date: May 2010
Posts: 452
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Trust your ears and nose. I know a lot of folks have used Walbro pumps without any incident, but they fall into that category of "functional, but not all that great." They are a fairly cheap pump.
That said, the first step would be to make sure it's still installed correctly. A PITA to check, but less of a PITA than a fire.
__________________
2002 Tacoma DC V6 PreRunner (converted to 5 speed and 4x4, with some other stuff, too) 1986 turbo 4x4 pickup (my money pit) - Converting an early Taco from auto to manual? My PDF of first gen. Tacoma ECU pinout comparisons will help! |
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04-22-2012, 08:19 AM
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#4 |
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Veteran Member
Join Date: Mar 2008
Posts: 551
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After having my pump in for 3k miles or so it started whining really loud one day. Now I can always hear it. Its annoying but hasn't caused me any problems the 2 years its been whining.
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04-22-2012, 10:00 AM
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#5 |
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Senior Member
Join Date: Nov 2005
Location: maine
Posts: 323
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guess ill pull the bed off and check pump out for safety.
might also call gadget and see what he has to say. thanks for replies, keep em coming!
__________________
-Simon 2004 Tacoma sr5 v6, trd supercharger, urd 7th injector, 2.2 pully, jba headers, airaid .jr, fm, mtr's, saw's, bilstein's, aal's and my dog tinker. |
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