2023-Present 6.7 Powerstroke Post Tuning Guide

  • Loop Disconnected Coolant lines
  • Unplug aftertreatment. 
    • Keep injector fuel line connected and disconnect the electric connector
  • Unplug EGR (2 connectors) 
  • Unplug EGT Sensor (1 connector)
  • If on OEM Delete Do not unplug the Throttle Valve
  • If you installed a CalcoDiesel.com custom tune you MUST unplug Throttle Valve 

SEAL EVERY SINGLE CONNECTOR YOU UNPLUG and INSTALL SHIPPY ENGINEERING PLUG KIT- TRUCK WILL HAVE MAJOR PROBLEMS IF CONNECTORS GET WET!!!


FOMOCO Downpipe Part number: HC3Z-6N646-A

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