Sorry for the late reply, the ecm that was on the engine was off completely different engine, the ecm was flashed for opti idle and egr engine and my truck doesn't have either plus the backup battery was shot so it was causing all kinds of problems... Thanks for everyone's help I appreciate it...
97 12.7 idle issues
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by OhioHotshot, Dec 9, 2019.
Page 3 of 3
Page 3 of 3