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22 MDX Type-S Issues

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  • 22 MDX Type-S Issues

    I've been experiencing pretty rough shifts since installing the JB4, almost like the car struggles to get into the next gear. Last night, it went into some kind of protect mode I think where it hit too high of a RPM and the car fell on its nose until I left off of the gas.

    I've uploaded a log and you can see this example starting at the 2741 timestamp. I thought maybe it was the 91 octane so I drove and grabbed some 93 but no change. It happens in Map 1 and 2 both. If I go back to Map 0, everything is fine.

    I've also uploaded the CSV here: https://**********/u/mrm2u/22-mdx?lo...zoom=1596-1657

    Thoughts?
    Attached Files

  • #2
    Lower fuel bias as needed to clean up the shifts. 40 across the board for example to start.
    Burger Motorsports
    Home of the JB4 the worlds most popular turbocharged tuning system!

    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 click here for more information on legal requirements related to use of BMS parts.

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    • #3
      Thanks Terry @ BMS. Would that cause it to lean out? Maybe I'm not understanding what impact the values actually control. That column in user adjustments applies to all maps or just map 6?

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      • #4
        Originally posted by MrM2U View Post
        Thanks Terry @ BMS. Would that cause it to lean out? Maybe I'm not understanding what impact the values actually control. That column in user adjustments applies to all maps or just map 6?
        All maps. The only column that's for map 6 only is the boost profile.
        Burger Motorsports
        Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, 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 click here for more information on legal requirements related to use of BMS parts.

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