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  1. #1
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    JB4 Throwin up code signs...

    Just got my jb4 installed last week and the first few runs with it was pretty fun. it wasnt long after I started getting some oscillation and a 'feathering' like symptom with the boost, didnt feel like it was hitting boost as well as it did when it was first installed. anyway, played around with a gt500 on the way back home and I get the half power sign on the dash. Pulled into the rest stop, let her cool down and took off again with the sign gone at this point. When i got home I read the codes and the last code I pulled was a 30FF. But I had more than one they were:
    29DC, 30FC, 2ACB, 2ACC, 2D1D,29F3, 2ABC, 3100, 2FDB, and the 30FF. What gives??Click here to enlarge any insight would be greatly appreciated.

  2. #2
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    Follow basic troubleshooting techniques. Clear all codes so you have a clean slate, trigger them, read them, then search them for possible causes.
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, N63s, S55s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please see http://www.burgertuning.com/emissions_info.html for more information on legal requirements related to use of BMS parts.

  3. #3
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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    Follow basic troubleshooting techniques. Clear all codes so you have a clean slate, trigger them, read them, then search them for possible causes.
    Thanks Terry I'll give that a go. is there a specific map I should be in?

  4. #4
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    Whatever map you should be using that also triggers the codes. Normally map 1.
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, N63s, S55s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please see http://www.burgertuning.com/emissions_info.html for more information on legal requirements related to use of BMS parts.

  5. #5
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    Took the car out and came back to see if it threw any codes, and it didnt.... not one code. But, I'm still getting that feeling like the car is searching for something. I push down on the throttle and it feels like its not getting traction, revs up a few thousand rpm and finds that sweet spot and then goes. I hope that makes sense.

  6. #6
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    1 out of 1 members liked this post. Yes Reputation No
    A datalog would be useful for diagnosis/troubleshooting.

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