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1991 polaris Indy 650 rxl EFI

This is a discussion on 1991 polaris Indy 650 rxl EFI within the Polaris forums, part of the Brand Specific Snowmobile Discussion category; 1991 polaris indy 650EFI RXL SKS My computer light flashes and my sled bogs down sometimes. Does any one know how to check the codes ...

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Thread: 1991 polaris Indy 650 rxl EFI

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    1991 polaris indy 650EFI RXL SKS My computer light flashes and my sled bogs down sometimes.
    Does any one know how to check the codes and if so do you have a list.

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    Triple650Indy's Avatar
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    The ECU will display the code in the form of a blinking LED on the side of the ECU case in a coded sequence of long and short pulses.

    Trouble Shooting Codes:
    11. is the throttle position sensor
    12. is the crankcase temp sensor
    13. is the intake air temp. sensor
    *14. is the atmospheric pressure sensor (rxl only)
    14. is he water temp sensor
    15. is the atmospheric pressure sensor
    21. is the flywheel side injector
    22. is the center injector (3-cyl)
    22. is the Pto side injector (2-cly)
    *23. is the Pto side injector (rxl)
    31. is low battery voltage
    32. is low charging system output
    33. is CDI output

    (*Note 31, 32, 33 are not used on the RXL.)
    (* indicates that this codes is only used on the RXL Model)

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    how do you get the codes do you have to jump wires together?

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    Triple650Indy's Avatar
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    When you turn the key to the on position and the kill switch up it should start flashing codes.

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    i went out to start it and it would start it backfired a couple times as i pulled and it flashed continously one long flash and one short flash even with the key on is that a code 11 then
    Thanks for your help

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    Triple650Indy's Avatar
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    It could be, if you have a DMM you can measure the resistance of it to see if that is truly the issue.

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    Also when i was trying to start it i pulled some plugs and they all were fuel soaked. It might have had a little bit of year old gas in it if that would cause any issues. Shouldn't these fuel injected sleds start better than that

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    Triple650Indy's Avatar
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    If it doesn't star6t in two pulls typically something is wrong. I think possibly a bad TPS, but you need to test it with a DMM and find out for sure.

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    Where do you get a dIMM? my ecu stopped putting out codes i bought another ecu and it didnt put out codes either. my sled wont propel itself forward and the belt doesnt slide up on the clutch at all..i can rev it out as much as i want and still doesnt move. the one spark plug is wet whats wrong do you guys know?

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    Triple650Indy's Avatar
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    Digital Multimeter, it's a general electrical meter, that can be used as an ohmmeter, ammeter, and voltmeter. Pretty common at any hardware or places like farm and fleet or fleet farm.

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