I have Lt1 edit for my 96Z28 and need to know how to delete some things. I have a skip shift eliminator but the ecm is throwing a DTC because i pulled the light out to replace another one can i delete this problem with LT1 Edit? Next The ecm is throwing an egr code. I have no egr didn't have it when i bought the car. I know i can delete this i just don't know how and thought you guys could help me out.