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Frequent efi blown fuse 20 amp toyota tacoma 2002

Truck shuts down because 20 amp fuse frequently blows , nwever had this problem til 1 week ago. truck has 134k miles , purchase new fuel filter could clogged filter cause pump to heat up and blow fuse?

Posted by Anonymous on


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Posted on Jan 02, 2017

  • 3 Answers

SOURCE: EFI fuse blows

Grounding the vehicle.

Posted on Jul 06, 2008

  • 6 Answers

SOURCE: keeps blowing 15a efi fuse 1991 toyota pickup 2.2 re

there's a short somewhere causing that amperage to go up

Posted on Dec 13, 2008

  • 1 Answer

SOURCE: I keep blowing EFI fuses on my Toyota pickup v6 4WD.

i have had this same problem.. check the exhaust pipe near the middle of the truck.. the o2 sensor was hanging down and would blow the efi fuse when the exhaust got hot.. took me months to find

Posted on Jun 23, 2009

  • 21873 Answers

SOURCE: 1991 toyota 4runner keeps blowing efi fuse even changed fuel pump

That fuse powers the engine computer and various sensors.
You may need a repair book or shop manual to get the wiring diagrams for checking everything in the circuit.

Posted on Feb 21, 2013

  • 311 Answers

SOURCE: 1991 toyota 4runner efi fuse keeps blowing

Correct pump for the truck?
A blown fuse means there is too much current draw from the pump.
Why is the tough question.Pinched wire?
If the fuse does not blow,immediately,can you measure the current draw at the pump in put wire?

Be SURE to cycle the key on for 5 seconds,off for 2 and back on for 5 seconds 3 times! Prime the pump.
If not primed,properly the new pump may burn out.

Posted on Feb 22, 2013

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I have observed this condition many, many times.

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