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This is a discussion on Wideband trouble within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; My AEM uego wideband has been pegging from lean to rich continually, while driving normal and WOT. I am thinking ...

  1. 03-31-2011 10:24 AM #1
    aaron-98
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    Wideband trouble

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    My AEM uego wideband has been pegging from lean to rich continually, while driving normal and WOT. I am thinking the sensor is bad. Any ideas?

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  2. 04-02-2011 06:31 AM #2
    aaron-98
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    Anyone?
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  3. 04-02-2011 06:37 AM #3
    poly_poly-man
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    what's the CEL for?
    My big thread: The Used WRX Buying Checklist - Please Contribute!

    My current car: 2002 WRB WRX Wagon.
    Mods: GM BCS, Carberry SD rom, uppipe, AEM UEGO, Klunk Killer, F+R shifter bushings, head unit
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  4. 04-02-2011 06:43 AM #4
    aaron-98
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    Wastegate solenoid. I'm assuming it's on because I have a mbc.
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  5. 04-02-2011 06:55 AM #5
    poly_poly-man
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    *probably* just a dud sensor or a bad connection somewhere.

    Are you tuned? I can't really recommend having an MBC, but if you're satisfied with the results, and your turbo is happy and everything, you may just want to adjust the fuel map a little and definitely disable that DTC.
    My big thread: The Used WRX Buying Checklist - Please Contribute!

    My current car: 2002 WRB WRX Wagon.
    Mods: GM BCS, Carberry SD rom, uppipe, AEM UEGO, Klunk Killer, F+R shifter bushings, head unit
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  6. 04-02-2011 08:15 AM #6
    Donkey
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    http://www.youtube.com/watch?v=1mb4VmDd0ao
    Last edited by Donkey; 04-02-2011 at 08:20 AM.
    Resident Tuner @ WTF Tuning, LLC
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  7. 04-02-2011 08:38 AM #7
    teflon_jones
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    What is the year/mods/mileage on your car?
    Scott
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  8. 04-02-2011 05:04 PM #8
    aaron-98
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    It's a 2002 wrx with 148k miles. I have a vf39, sti pinks, 255 pump, catless uppipe/turboback. And yes I am tuned, at 15psi. I have a hallman mbc.

    It runs great, no problems whatsoever. The sensor has only been installed for about 10k miles. I checked the connections and all seemed fine. I ordered a sensor today; so i will go from there. It is acting similar to the video that Donkey posted.I will have my tuner double check the tune for safe measure.
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