DEF DPF EGR DELETE 07-14 GM 6.6L DURAMAX

- You must unplug the EGR system on your LML Duramax if not installing a complete EGR delete. Failing to do so may result in erratic engine operation and loss of power. If your installing on a LMM it is not required to unplug or block-off the EGR system. The EGR system is already disabled in the tuning and will not function under any conditions. If desired, the entire EGR system can be unplugged, blocked-off or completely removed when running this tuner.

- On the 2011-2014 LML Duramax, there is a UREA system that needs to be unplugged when running this tuner. The UREA system must at least be unplugged but can be completely removed from the vehicle if desired. Failure to unplug the UREA system may result in a check engine light and/or dash message, erratic engine operation and loss of power.

- When running this tuner on a LMM it is recommended that all sensors located in the factory exhaust system be unplugged from the electrical harnesses. These sensors can also be removed completely with the factory exhaust if desired. ON the LML there are usually 3 EGT sensors and 1 pressure sensor. When running this tuner on a LML, it is required that all sensors located in the factory exhaust system be unplugged from the electrical harnesses EXCEPT FOR THE PRESSURE SENSOR WHICH MUST REMAIN PLUGGED IN. All sensors other than the Pressure Sensor can be removed completely with the factory exhaust if desired. On the LML Duramax, there are usually 3 EGT Sensors, 1 NOx Sensor, 1 UREA Injector, and 1 Pressure Sensor. The DPF Pressure Sensor is located under the bed in front of the axle on the inside of the passenger side frame rail. You may pull the two rubber lines off of the sensor but DO NOT UNPLUG THIS SENSOR! Unplugging of the Pressure Sensor may result in erratic engine operation and loss of power.

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