Originally Posted by 2007 5.9 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?
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