Question about 1991 Toyota Pickup

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Blowing efi fuse

Removed back body. looked for bare wires from pump to fuse box. nothing. any ideas???

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  • yeibichai Nov 16, 2008

    Randomly blowing efi fuse, had fuel injectors replaced as well as fuel filter and open circuit relay. Blowing 15 amp fuse and dies immediately. Upon replacing fuse and trying to start truck fuse blows immediately. 1991 Toyota 4x4. What to do?
    Anita


  • knobep Mar 24, 2009

    same but my o2 is ban new and works fine. any one have a list of the components that can cause the fuse to blow? (87 22re 4x4) email me x2007tgx@stfx.ca

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My Boy had the same exact problem...Same year truck. Unplug O2 Sensor . His was ripped loose 4 wheeling and it kept blowing the EFI fuse until we seen it hanging. .We just unplugged the sensor and put a new O2 sensor in it and now it is fine never did it again..... sperlak2@yahoo.com
hope this helps Dan

Posted on Dec 03, 2008

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I assume you removed the box from the truck for easier acess to the fuel tank? With more information we could determine other possible solutions. Also what size fuse are you blowing, and does the vehicle run during this period? Get back to me and we could try a series of no to very low cost test to confirm problem.

Posted on Sep 14, 2008

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