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

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Old 11-12-2007, 11:51 AM   #1 (permalink)
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Fuel pump relay?

I am looking for a diagram, or pictures of the relays for the fuel pump...or, can someone tell me where they are located?? My fuel pump works, just no voltage getting to it.....thanks
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1988 Toyota 4runner 4X4 5 speed 22re
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Old 11-12-2007, 01:15 PM   #2 (permalink)
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Post year and motor.
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Old 11-12-2007, 01:19 PM   #3 (permalink)
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should all run through the efi fuse (I'm assuming you have an efi truck)

if you post the motor we'll be able to help better
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Old 11-12-2007, 02:05 PM   #4 (permalink)
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The make and model is under my post, sorry I left out the motor info, 1988 toyota 4runner, 22re SR5 5 speed, hopefully you can help me, thanks
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Old 11-12-2007, 02:30 PM   #5 (permalink)
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It's right above your ecu behind the pass. kick panel.
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Old 11-12-2007, 02:44 PM   #6 (permalink)
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doesent say what engine. 3.0 or 22re, or 22r, etc
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Old 11-12-2007, 03:08 PM   #7 (permalink)
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Quote:
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It's right above your ecu behind the pass. kick panel.
What he said....
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freckles, shmeckles... that was your acne reflecting on my pearlescent skin.
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Oh...that was me thinking...then stopping mid sentence...then some more babbling and such. LOL
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Old 11-12-2007, 03:45 PM   #8 (permalink)
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ok a couple tips on troubleshooting the fuel pump.

check the EFI fuse first (it's located inside the engine compartment on the passengers side fuse panel)

if thats good you can test the relay, and test the wires.

note that the pump will only run with the engine running, and i dont believe it runs with the key in the on position like a lot of cars/trucks.

way more likely to be a wire break/corrosion/a fuse than the relay.
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Old 11-12-2007, 07:04 PM   #9 (permalink)
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Really common for the "circut opening relay" to corrode due to a windshield leak on the passenger side. Like other said it is above the ECU about 3". Also the window leak will sometimes make the heater relay poop out.
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Old 11-13-2007, 06:06 AM   #10 (permalink)
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Thanks everyone, I will check it out, if I can find the problem, I will let you all know what I find...
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Old 11-13-2007, 07:58 AM   #11 (permalink)
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ok a couple tips on troubleshooting the fuel pump.

check the EFI fuse first (it's located inside the engine compartment on the passengers side fuse panel)

if thats good you can test the relay, and test the wires.

note that the pump will only run with the engine running, and i dont believe it runs with the key in the on position like a lot of cars/trucks.

way more likely to be a wire break/corrosion/a fuse than the relay.
Yeah, it only charges up for a few seconds, but when testing the relay that function should also be tested.

If it's not the fuse and you find it to be they relay, depending on how it's bad there is way to "bypass" it. Simple and easy....and cheap.
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freckles, shmeckles... that was your acne reflecting on my pearlescent skin.
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Oh...that was me thinking...then stopping mid sentence...then some more babbling and such. LOL
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Old 11-13-2007, 08:38 AM   #12 (permalink)
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Thanks again, can you explain a way to bypass the relay, or a way to run current to the pump?
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Old 11-13-2007, 08:56 AM   #13 (permalink)
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Have you checked the fuse yet? You ought to do that first, eh.

Bypassing is not really what you're doing, but to do it just bend the contact tab over to make constant contact. The tab is "supposed" to make contact when the ignition is switched on, but may not be....maybe from corrosion or just wear. Mine was corrosion. Anyhow, doing this means the fuel pump will come on and run continuously when you turn the key on, so you have to keep that in mind anytime you doing something with the vehicle. Also, if you ever have a wreck and the key is still on. Mine has been "bypassed" for six years now without incident. I just try avoid having wrecks...hahaha. Really, though, I intend to change it out at some point because it really is a last resort sort of fix. I've kinda been putting it off until some other things have been taken care.

EDIT: Just thought of this....you could just take some wire and double it up or whatever you need to do to fill the gap and jump the contact and see if it makes the pump run.
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Context is everything....
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freckles, shmeckles... that was your acne reflecting on my pearlescent skin.
My favorite method of troubleshooting..... :D
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Oh...that was me thinking...then stopping mid sentence...then some more babbling and such. LOL

Last edited by thook; 11-13-2007 at 08:59 AM.
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Old 11-13-2007, 09:10 AM   #14 (permalink)
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Ok, I will check all the fuses again, can you tell me exactly where any other relays and/or fuses are located for the fuel pump? If I can find out where these are, I should be able to troubleshoot a bit easier....thanks
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Old 11-13-2007, 12:59 PM   #15 (permalink)
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the fuse that runs the pump, as stated above, is the efi fuse, which again is located in the engine compartment, passenger side fender, in the fuse box. look at the inside top of the box and theres a "map" of which fuse is which. check that the efi fuse hasnt blown. should take less than 2 minutes even not having found it before...

its just that and the pump relay

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Old 11-13-2007, 01:11 PM   #16 (permalink)
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Thank you, I am on a mission now, hopefully by tomorrow, I will have the answer, and I can get my 4runner back on the road.....thanks everyone!!
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Old 11-14-2007, 07:30 AM   #17 (permalink)
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Ok all, it was the fuse, (efi fuse) thanks for the help and being patient with me....
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Old 11-14-2007, 11:53 AM   #18 (permalink)
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haha glad to hear it was an easy fix
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Old 11-16-2007, 10:13 AM   #19 (permalink)
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good luck

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Old 11-16-2007, 10:13 AM
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2006, 22re, 4runner, 91, 96, acres, continuously, fuel, fule, key, pa, pump, relay, runs, toyota, troubleshoot, truck

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