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Efi fuse blows when car strts wher is the efi located

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  • Geo Master
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NO YEAR stated (old post)
there is no EFI fuse. sorry,
the ECU has 3 fuses.
FI, Dome, and IG-coil
all 3 run the ECU.
i do know what you ment.
but knowing the correct name makes reading the FSM better.
my guess 2 is you lost the fuse box cover and cant read the names.
guessing year at 91 -95
http://www.fixkick.com/power-elect/fusepanel-left-knee1w.jpg

the ECU fuse blows page. is here
http://www.fixkick.com/power-elect/blows-fuse.html

top reasons.
ECU bad CAPS
shorting fuel pump (they pull 4amps normal) if 10amps or
more they blow the fuse and or causes the ECU to click relays
like mad.





Posted on Apr 29, 2014

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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devilwdesign

  • 1 Answer

SOURCE: my efi fuse keeps blowing everytime i try to start

It is not a solution, but i HAVE THE SAME ISSUE ON MY 1996 lEXUS es300. My engine just shut down while I was driving, and would not turn on unless I replaced the fuse. Every time it shutdown, it was when there was someone on the passenger seat. Did yours die when there was someone on the passenger seat?

Posted on Sep 23, 2010

emissionwiz

Marvin

  • 85222 Answers

SOURCE: efi fuse

This is caused by a damaged wire on the engine going to the different parts that are controlled by the EFI computer, look for places the harness may have rubbed through the wire insulation, it will be hard to find, but it will be there somewhere.

Posted on Oct 11, 2008

Anonymous

  • 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

Anonymous

  • 164 Answers

SOURCE: my efi 15 fuse is blowing on 93 camry

Did you do after markert radio if you did sounds like you didint ground out the black wire and that do it to you i did this when i was a kid my first car..
If this it you need ground out black wire on metal to the car

Posted on Jul 27, 2009

dabomb9306

  • 16 Answers

SOURCE: EFI fuse Keeps Blowing

I had the same problem at one point. My issue was a bad grounding point from the battery to the chassis. I would say check all of your grounding points.

Posted on Nov 10, 2009

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2 Answers

88 toyota pick up v6 keeps blowing efi fuse


you may have a short of some kind, when a fuse blows repeatedly it is no good just replacing, you are being told that something is wrong with the equipment.
You will almost certainly have to visit a technician for a diagnosis. It is unlikely to be something that an inexperienced end user can sort out I am afraid.

GOOD LUCK

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15amp efi fuse blows


It is not related to car being cool down , I think you are having ignition switch on . The EFI fuse goes directly to the contact switchin the EFI relay. Maybe try removing the EFI relay, turn the ignition to ON, and see if the fuse blows.
Doing this, the car won't start, but it might give you a clue as to where the short circuit is located. ... Check the fuse/relay box next to the driver side fender in the engine compartment.

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Solution to efi fuse blowing repeatedly


wiring problem.
try to increase the fuse
for example: from 15amp to 20 amp

Oct 04, 2014 | 2005 Toyota Corolla

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Efi fuse keeps blowing. After I insert a new fuse the engine starts and I'm able to drive until it blows again seconds later


there is a short in a unit or wire that the EFI unit runs. It may even be in the EFI unit itself. Insert a new fuse and run the fault codes to determine if a fault has been recorded.

Aug 09, 2014 | Cars & Trucks

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Why does my efi fuse keeps popping 1999 chevy prizm


Pull the EFI relay, replace the fuse, and see if it blows when you turn the key on. If it does not turn the key off, reinstall the EFI relay and remove the circuit opening relay/fuel pump relay. Turn the key on. If the fuse blows than we know the problem is One of the O2 sensors, the IAC, the purge solenoid, or the ECM You can unplug the O2 sensors, iac, and purge solenoid. Replace the fuse, turn the key on, and plug them in one at a time until the fuse blows. Replace that component. If the fuse blows with those unplugged than its probaly the wiring and possibly the ECM. let me know what you find and I'll help you more if needed.

I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

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I have a problem with a fuse to EFI toyota corolla 2003


Hi there:
Sounds like to have a fuel pump that is shorted out or has too much resistance, this can cause to much of a current draw and blow the fuse. The EFI fuse supplies voltage to the EFI relay and then the fuel pump.

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Jul 13, 2012 | 2003 Toyota Corolla

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Engine wont start,efi 15amp fuse keeps blowing


EFI (electronic fuel injection) is a nasty fuse to blow. Unplug EFI module for 5 minutes. Plug it back in and try to start it immediately to confirm a heating short or possible bad module.

Apr 23, 2011 | 1994 Toyota Pickup

1 Answer

My efi 15 fuse is blowing on 93 camry


Did you do after markert radio if you did sounds like you didint ground out the black wire and that do it to you i did this when i was a kid my first car..
If this it you need ground out black wire on metal to the car

Jul 25, 2009 | 1993 Toyota Camry V6

1 Answer

Keeps blowing 15a efi fuse 1991 toyota pickup 2.2 re


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

Dec 12, 2008 | 2004 Toyota Corolla

1 Answer

Unsure if promblem is fixed. Blowing efi fuse.


The most common reason for the EFI fuse to blow is the wiring is rubbed through somewhere in the engine wiring harness, this fuse supplies power to many EFI parts on the engine, always look for shorts where the most movement is, the engine is that place, most likely the next time you go down a really rough road the short may occure again, carry a few fuses just to be safe.

Sep 15, 2008 | 1991 Toyota Pickup

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