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Thread: LMM dpf delete P0101 any help? (Canada)

  1. #1
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    Default LMM dpf delete P0101 any help? (Canada)

    this is my uncle truck did a dpf delete for fuel economy, added turbo brake, keep stock tune and k&n filter! everything was fine but yesterday it threw P0101 mass air flow performance code! do i need to modified the stock mass air flow data for the added flow if there is? any tips?

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    Lifetime Member dansdieselp's Avatar
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    Default LMM dpf delete P0101 any help? (Canada)

    Put the stock air filter back in.
    Dan's Diesel Performance
    www.dansdieselperformance.com

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    Lifetime Member THEFERMANATOR's Avatar
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    Quote Originally Posted by dansdieselp View Post
    Put the stock air filter back in.
    And get some MAF cleaner to clean the MAF off with as it is probably oiled from the K&N filter.
    1995 GMC 2500 SUBURBAN powered by 01 DURAMAX/ALLISON, little of this, a little of that,
    DIAMONDEYE 4" exhaust, CORSA muffler, AFE stage 1 dry filter, custom tuning by me, KENNEDY single pump and pump rub kit.

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    Lifetime Member tokymon's Avatar
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    i have seen where the air will stall when comming to a stop usually with cai, if this is happening while comming to a stop, adjust maf failure air (sorry at work and cant rember the table #)
    97 2500 ecsb 5.7l/4l80e/4x4 411 pcm /thorley tri-y's/dual super 40's with x (catless)/aem cai/msd 6a and coil/zz4 cam/beehive spring/lm-1

    stock sucks

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    new update! it happen again this time he was driving on the highway cruising and the check engine came on again! yeah the first time it was coming to a stop. i did adjust the upper limit thresold

    those are the Maf sensor Parameter any thing to change? the lower value maybe?

    {C0905} P0101 Test Enable, Coolant Temp Low -20,065310 °C
    {C0906} P0101 Test Enable, Coolant Temp High 99,922690 °C
    {C0907} P0101 Test Enable, RPM Low 500,000000 RPM
    {C0908} P0101 Test Enable, RPM High 3100,000000 RPM
    {C0901} P0101 Lower Limit Threshold 20,055499 Grams/Second
    {C0902} P0101 Lower Error Time 15,000000 Seconds
    {C0903} P0101 Upper Limit Threshold 49,999860 Grams/Second
    {C0904} P0101 Upper Error Time 300,000000 Seconds

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    he did say the truck feel low on power when the light came on!

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