Quote Originally Posted by 2007 5.9 View Post
I cannot see anything obvious...so a log is needed.

Just to be clear...this ECM was NEVER touched by anything like a handheld tuner, the calibrations were NEVER changed??
correct truck has been stone stock has 180k on it came in needing trans and injectors and wanted a tune been fighting it ever since

also what you wanting me to log as its in groups just timing and mm?