H&S Mini Maxx Installation Manual - Urea / Scr System
48 Mini Maxx Installation Manual • www.hsperformance.com
removed completely with the factory exhaust if desired. On the 6.7L Powerstroke, there are
usually 3 EGT Sensors, 1 NOX Sensor, 1 UREA Injector, and 1 Pressure Sensor.
nOTE:
The vehicle will not run with sensors removed unless DPF REMOVED tuning is installed.
UrEa / Scr System
On the 2011 - 2012 6.7L Powerstroke, there is a UREA system that can be unplugged or
removed completely when running DPF REMOVED tuning. The UREA system may also be left
plugged in with no ill effects.
Egr Unplug / Delete
If you are installing H&S DPF REMOVED tuning, you must unplug the EGR system on your
2011-2012 6.7L Powerstroke if not installing an EGR delete. Failing to do so may result in
damage to your EGR parts.
Please follow these instructions carefully to unplug and disable the EGR system:
1. Unplug Orange EGR harness found on top of the EGR cooler assembly. The yellow lock tab
must be slid out before the harness can be unplugged.
2. Unplug the EGR Butterfly Valve located near the radiator fan shroud.
2011 - 2012 6.7L Ford Powerstroke Specific Features Continued >>