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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

Fuel Pump

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Old Dec 14, 2007 | 09:22 AM
  #1  
liferunner2's Avatar
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From: Houston, TX
Fuel Pump

Hey, I'm trying to disconnect my fuel pump to relieve the pressure in my EFI so that I can get in there, but I can't seem to find a way to cut power to the pump, how can I do that? Thanks.

Chris
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Old Dec 14, 2007 | 09:27 AM
  #2  
rdlsz24's Avatar
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From: Northern IL
You can pull the fuse I believe.

Rob
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Old Dec 14, 2007 | 09:31 AM
  #3  
liferunner2's Avatar
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From: Houston, TX
That's what I thought, but I can't find a fuel pump fuse. There's EFI, but I need it to run in order to depressurize the system. Any other ideas?

Chris
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Old Dec 14, 2007 | 12:30 PM
  #4  
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If I understand your post correctly you are trying to run the engine to use up the fuel in the line as a way to depressurize the system. You could lift the rear seat and on the passenger side, under the seat, there is an access panel with three screws in it. Remove the panel and unplug the connector. This will disconnect power from the the fuel pump. If you do this while the engine is running it will slowly die as the fuel is used up.

Or you could turn off the engine and use a socket wrench to loosen the bolt below the fuel pressure regulator or at the cold start injector. Some fuel will spray out so cover the connection with a cloth to catch the fuel. No smoking or open flames. This is the normal way to do it.

I hope this helps.

Ike
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