Question about 1994 Toyota Pickup

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How to physically remove a EFI relay switch on 1994 22re truck

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Posted on Jan 02, 2017

SOURCE: i can leave the EFI relay in the block it will not start just turn over, can remove the EFI relay put a jumper from 3 to 5 (close the curcuit)and it will crank and run...WHY???

NOT CRANK-that is wrong

You mean-- it would not start

The answer is on a wiring diagram

Your close-- but need to study the diagram
to learn the circuit,then continue on with your testing

Everyone here is at home, like you

We have no info at all
This is just a chat room/forum everyone uses as you do

Posted on Sep 28, 2014

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Efi relay what does it turn on when key not on. i have to pull relay so it wont drain my battery i also got some codes p1126 and p0308 just recently


With the key off the Main EFI relay shouldn't be powering anything up . The EFI relay is energized by the ignition switch , if it is the EFI relay you here clicking ,you could have an ignition switch problem . It can't have anything to do with the fuel pump , because it has it's own relay down stream from the EFI relay . This is just an educated guess , from my thirty + years experience. The only way to tell for sure is test . I suggest you go to you tube an check out some videos on basic electrical trouble shooting . An how to do a parasitic draw testing an go from there .Also go to www.bbbind.com/ for free wiring diagrams to look at what all is involved in that circuit . Get a DVOM - digital volt ohm meter.

P01126 has to do with electronic throttle control . OBDII Code P1126 TOYOTA Magnetic Clutch Circuit Malfunction HelpForCars net I strongly suggest you take this to a ASE certified repair shop or the Toyota dealer

Dec 10, 2015 | 2000 Toyota Tundra

1 Answer

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.

Apr 03, 2015 | 2003 Pontiac Vibe

1 Answer

What's is the function the efi fuse


It supplies the EFI Main relay, which in turn powers the fuel pump, ignition switch, and starter relay. In addition it powers the ECM computer, so that if you wish to clear a trouble code from there, you pull the EFI fuse for 30 sec. See here p177 http://www.turboninjas.com/camry/eg1.pdf good luck

Nov 01, 2013 | 1997 Toyota Camry

1 Answer

Fuel pump cut off switch 1980 eldorado


On 1980 Cadillac there is no cutoff switch, On EFI CAR they are
controled by the computer control module, on DFI CARS there is
RELAY next to the fuse also has fusePanel on the left side of car under dash
Depends on size of engine. EFI CARS only have a 20 amp fuse.

Apr 13, 2013 | 1980 Cadillac Eldorado

2 Answers

What is the EFI fuse on a toyota camry


It supplies the EFI Main relay, which in turn powers the fuel pump, ignition switch, and starter relay. In addition it powers the ECM computer, so that if you wish to clear a trouble code from there, you pull the EFI fuse for 30 sec. See here p177

http://www.turboninjas.com/camry/eg1.pdf

Jan 09, 2013 | 1993 Toyota Camry V6

1 Answer

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.

Aug 05, 2012 | 1999 Chevrolet Prizm

1 Answer

1994 Toyota Camry XLE V6 Fuel Pump Switch Location


The pump gets power from the circuit opening relay and the EFI main relay, which are supplied through the EFI fuse. p219 here

http://www.turboninjas.com/camry/eg2.pdf

and

http://www.turboninjas.com/camry/be.pdf

May 04, 2012 | 1994 Toyota Camry

1 Answer

My 1991 toyota 4runner keeps blowing the efi fuse and my engine floods gas. what could be the problem?


Check the EFI main relay, the circuit opening relay, and the fuel pump relay. Inside the fuel pump relay there is a switch controlled by a coil. During start, the fuel pump gets full power for a couple of seconds to build up pressure. Once pressure is good, the fuel pump relay is supposed to switch (via the coil) the fuel pump to reduced power. If the coil in the relay is bad, the reduced power setting is not available and the fuel pump will run at full power all the time. At this heavy current draw, it won't be long until the EFI fuse blows. This would also give more pressure than is necessary to the cold start fuel injector which runs on a timer. This extra pressure during the time that the cold start injector is operating may be the reason the engine is flooding with fuel.

Jan 29, 2011 | 1991 Toyota 4Runner

1 Answer

My efi relay is clicking only when there is no key in the ignition. I even replaced the relay but it still clicks. What is wrong with my car?


try to direct a wire to efi main relay to pin 1, direct to battery, does it on continue? if continous on, your ignition switch is the problem

Jun 19, 2010 | 1998 Toyota Avalon

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