I recently installed a power commander 5 on my 2013 Ltz 400 along with a full exhaust. After installing the programmer the quad would hesitate when mashing the gas from idle in only in second gear it seemed. I took the power commander off and tried again and it didn’t do it anymore so I reinstalled the power commander and took the quad to have it professionally dyno tuned and it still was happening so he told me it was a electrical issue something about it not getting a good reading of rpms and that I should clean my grounds and it should go away. So I cleaned the grounds I could find and it still is doing it. Has anyone had this issue? Or have any ideas what to do to fix it? It runs great besides this.