Question about 1991 Toyota Pickup

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1990 toyota pickup 3.0 v6,engine will not start,keep blowing efi fuse

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  • Anonymous Mar 18, 2014

    1990 toyota pickup fuel pump fuse

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  • Toyota Master
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This is an unfortunatly common problem with this vehicle, if my hypothesis is correct. Try this: disconnect the wiring connector going to the fuel tank, under the bed. Replace the fuse and crank the engine. If the fuse does not blow, then the power wire going to the fuel tank sending unit is shorted out to ground. I change about 15-20 fuel sending units a year for this exact same issue. Replace the fuel tank sending unit if the fuse does not blow. When you get it out, you will see the cause of the short, rust at the connection on top of the sending unit. Hope this helps.

Posted on Sep 15, 2008

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  • Toyota Master
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You need to look for a short in the engine harness, anywhere that the harness rubs on engine componets etc. In the past 30 years of car work this is where the problem most often occurs.

Posted on Aug 27, 2008

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Try replacing your efi relay, disconnect the relay and jump the side of the relay that opens and closes. there maybe a short in the harness here or the relay could be bad, either one will blow the efi fuse and keep the vechicle from starting

Posted on Feb 08, 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

Oct 26, 2015 | 1988 Toyota Pickup

1 Answer

Hilux won't start an keeps blowing the ignition fuse


post three.
and still no inputs.
we need the exact fuse name and location of the fuse.
also saying fuse next to this fuse helps 10x as there are 4 fuses. with ignition connotations.
and what engine, each car sold comes with 3 engine options,
more if outside USA. so what engine.
so that is because each engine has a totally radially differrent EFI and ignition system. see?
Im blind
pretend i open hood what do i see, not and engine one of these.
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2.4 L 2L diesel I4
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nor the exact fuse.

each fuse has many loads, so you you disclose these fact
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then we disconnect them to find which one is shorted.

that's how i do it but others might disconnect everthing on the whole car and when the fuse blows, bingo?
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is it the 15 amp efi fuse? if so let me know and i can tell you a couple of good places to start looking..........

Jul 30, 2011 | 1991 Toyota Pickup

1 Answer

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.

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1 Answer

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Check the fuel and air filters for blockage or dirt.

Feb 21, 2011 | 1990 Toyota Pickup

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have the tech do a "brain module test"
its like doing a full body scan on a person.
blowing fuses isnt right at all.

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


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