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Thread: 2006 Silverado 2500HD - P59 ECU - CNG - Compressed natural gas Operating System swap

  1. 08-06-2018 #1
    GrnZ
    GrnZ is offline
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    Arrow 2006 Silverado 2500HD - P59 ECU - CNG - Compressed natural gas Operating System swap

    Can I convert my 2006 P59 Ecu from OS : 52373155 to OS: 12587811 Stock tune file below , Thanks in advance !
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