2013 Freightliner Cascadia engine code problems need help

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by David allen23, Jun 14, 2019.

  1. David allen23

    David allen23 Bobtail Member

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    Code.. Fail18 spn 3216 eng 1
    help please I'm totally lost
     
    Last edited: Jun 14, 2019
  2. Navtech

    Navtech Light Load Member

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    That SPN is Inlet NOX sensor I’m about 85% sure, but doesn’t necessarily mean the Nox sensor is bad. (But probably is) is on of those numbers the FMI?