1992 efi 500 electircal issue
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1992 efi 500 electircal issue

This is a discussion on 1992 efi 500 electircal issue within the Polaris forums, part of the Brand Specific Snowmobile Discussion category; i have a 1992 efi 500 twin the fuel pump doesnt go on but i hear a little click it was working fine until I ...

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Thread: 1992 efi 500 electircal issue

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    i have a 1992 efi 500 twin the fuel pump doesnt go on but i hear a little click it was working fine until I parked it for the night and went out to start it in the morning just a little click. the light on the efi computer isnt going on. im pretty good around snowmobiles as i have rebuilt one but this is way beyond me. any help would be gladly appreciated. thanks, colin

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    ArcticCatZR800's Avatar
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    Make sure your battery has a full charge, it may have drained overnight....most EFI systems need a full 12v to operate properly(unless they are batteryless of coarse).

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    ok will put a new battery in. bought one last season. thanks i will do that tomorow. thanks,colin

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    i put a new battery and still same result. my fuel pump is not going on. the led indicator is giving me the codes that the injectors are bad? would that make the fuel pump not run? thanks colin

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    Ugly_old_Poo_kid's Avatar
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    Sounds like your ECU is getting power, but the rest of your EFI system is not. Check your fusible links and relays. This should help you.


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    Water may have got into one of the connections as well...make sure they are all dry.

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    mrholmquist's Avatar
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    Both the injectors and the fuel pump get their power through the green fuse link. It is common for the fuse link to corrode and lose contact , give it a gentle tug and I bet it will fall off in your hand. Loss of power through the green fuse link will cause no fuel pump and the ECU will blink injector codes

    ... should be an easy fix

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    Quote Originally Posted by mrholmquist
    Both the injectors and the fuel pump get their power through the green fuse link. It is common for the fuse link to corrode and lose contact , give it a gentle tug and I bet it will fall off in your hand. Loss of power through the green fuse link will cause no fuel pump and the ECU will blink injector codes

    ... should be an easy fix
    Check that, this guy sounds like he knows what he is taking about.

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    Quote Originally Posted by mrholmquist
    Both the injectors and the fuel pump get their power through the green fuse link. It is common for the fuse link to corrode and lose contact , give it a gentle tug and I bet it will fall off in your hand. Loss of power through the green fuse link will cause no fuel pump and the ECU will blink injector codes

    ... should be an easy fix
    Nice to see you coming around again, Mike! Don't be such a stranger...

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    Thanks Dave . I come around when I can , just seem to be so busy these days...

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