H&S XRT Pro Installation & Operation Manual page 32

egr emissions equipment
Unlike the previous years, it is no longer mandatory to unplug the EGR system when
installing H&S High Sulfur tuning. You may still unplug the EGR system if desired, or the
EGR system may be left plugged in without any ill effects. The entire EGR system can also be
completely removed with an H&S EGR Delete Kit when running H&S High Sulfur tuning.
injection Timing
This option allows adjustment of the Injection Timing Calibration tables. There are 5 different
settings you can choose from. If you skip this adjustment option, you will be defaulted to level 3
1 - least aggressive (stock setting)
2 - less aggressive
3 - (Default)
4 - More aggressive
5 - Most aggressive
noTe: The injection timing adjustment will affect ALL power levels. This option can only be adjusted during the
Install Download process.
32 XRT Pro Installation Manual • www.hsperformance.com
1. Locate the wiring harness with the YELLOW
sliding lock-tab on the Urea pump assembly. The
pump assembly is located near the bottom of the
filler neck support.
2. Slide the yellow lock-tab DOWN to dis-engage
the lock and unplug the harness.
For complete UREA System Removal instruc-
tions, visit
www.hsperformance.com/tech/CCUrea.pdf.