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Thread: Red warning light & EFI code will not go off?

  1. 04-20-2009, 03:52 PM #1
    Christine
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    Question Red warning light & EFI code will not go off?

    Hi
    I recently purchased a 2009 Aprilia RS125, I have done 350 miles.
    The red warning light had came on along with the EFI code, I checked the oil under the seat and it was running pretty low so I filled it up with Fully Synthetic 2 stroke oil.However the red warning light and EFI code remain, should the light's have automatically went off? or is there something I need to do to the bike to get it off?
    One Aprilia garage said to take the cap off were the sensors are to check the float (which I didn't feel confident doing)however I couldn't get this off
    Does anyone have any ideas?
    This is my first bike so really worried.

    Thanks
    Christine
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  2. 04-20-2009, 03:54 PM #2
    Christine
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    Question Red warning light & EFI code will not go off?

    Hi
    I recently purchased a 2009 Aprilia RS125, I have done 350 miles.
    The red warning light had came on along with the EFI code, I checked the oil under the seat and it was running pretty low so I filled it up with Fully Synthetic 2 stroke oil.However the red warning light and EFI code remain, should the light's have automatically went off? or is there something I need to do to the bike to get it off?
    One Aprilia garage said to take the cap off were the sensors are to check the float (which I didn't feel confident doing)however I couldn't get this off
    Does anyone have any ideas?
    This is my first bike so really worried.

    Thanks
    Christine
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  3. 04-20-2009, 04:15 PM #3
    maxiboi247
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    check that the 2 wires are connected properly to the sensor in the tank

    rs 125


    Haha Dom hasnt got mw2 yet
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  4. 04-20-2009, 04:25 PM #4
    Micah / AF1 Racing
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    Could be any number of things, but the last one I had with the same issue was a TPS sensor that was bad? I am going to move this to the 125cc section to get you a little better feedback.

    Dealer should be able to diagnose via Axone and see what errors are active.
    Diminished expectations is the key to happiness in life.

    Micah Shoemaker
    AF1 Racing
    699 W. San Antonio
    New Braunfels, TX 78130
    830-626-3966
    micah@af1racing.com
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  5. 04-20-2009, 05:29 PM #5
    ThisEndUp
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    Do the warnings still appear even after you've switched the ignition off and then on again?
    '09 Aprilia RS125
    '03 Yamaha R6
    '94 Ducati 900 SS/CR
    '75 Yamaha RD/TD350
    '78 Honda CB550K3

    Quote Originally Posted by Gman2005 View Post
    no no no no no no no, Its a Aprilia RS125 with a Rotax engine. If you can't get the best out of one these things without doing silly things to it. Just sell the poor thing.
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  6. 04-21-2009, 06:03 AM #6
    Allen Noland
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    Low oil will cause a red warning light and an oil icon to come on, not an EFI warning.
    Noland Trans-World Cycle
    7 East 1st Ave. Mountain Lake Park, MD 21550 * Phone (301) 616-2034 * e-mail allennoland@yahoo.com
    http://www.facebook.com/NolandTransWorldCycle
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  7. 04-21-2009, 08:22 PM #7
    frankd_nm
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    Mine did the same thing when I had the TPS adjusted wrong. I uninstalled the TPS sensor, reinstalled it correctly and the warnings went away.
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  8. 04-24-2009, 06:32 PM #8
    Socket
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    mine is on the same way...But I don't have a TPS sensor, which is why!
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  9. 02-02-2010, 02:37 PM #9
    billyholman
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    I had the same problem, and i took it to an aprilla dealer, and they plugged my bike into this machine, and told me exactly what the light was on for, it was on for 3 things, which they could fix, TPS etc... But the other 1 was that it had been tampered with.
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  10. 02-02-2010, 02:54 PM #10
    Old Geezer
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    You had the bike when the light came on? I ask, cos the light comes on if you try to drill the CDI like on earlier models. Doesn't work, just puts the light on. I'm guessing from your use of language you are UK based, so have a 11Kw Euro 3 bike?
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  11. 04-03-2010, 02:16 PM #11
    STEPHEND161
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    how do you reset the TPS sensor and wear exactly is it??
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  12. 04-03-2010, 03:25 PM #12
    Socket
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    Quote Originally Posted by STEPHEND161 View Post
    how do you reset the TPS sensor and wear exactly is it??
    If you can't locate it, I'm not sure i'd recommend you messing with it.
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  13. 04-03-2010, 06:40 PM #13
    STEPHEND161
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    come on it cant be that hard how will we ever lurn if you guys dont help us.

    as far as im aware its on the carb right but all my other rs 125s have been to old to have one but my newest rs 125 is an 07 and just wanted to know how youd repos it.
    im a bit rusty with my new rs as i havent had one in a few years b4 getting this one so need to get back into the swing of things..

    as far as i know and hopefully its right but the tps is a Potentiometer that reads resistonce to determin the posissition of the throttle?
    hope i havent just made myself look any more stupid.
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