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View Full Version : LML Duramax quit switching tune levels.


JCP
June 2nd, 2019, 03:49 PM
2013 Silverado 2500 with DPF delete and Motorops 5 position tune. Everything worked correctly after install and a few months later the tunes would not switch (always in level 1 regardless of switch position) Switch is working and can be verified by monitoring T1 on the live data. I have sent data logs to my vendor and they can not solve my problem. Any ideas what is going on? Thanks
GMC-2002-Dmax
June 3rd, 2019, 05:10 AM
This set-up is not created by or supported by EFI-Live

Your better off continuing a dialogue with the tuner who supplied the tunes to you
JCP
July 15th, 2019, 02:59 PM
Tried that and they have no clue. They did send me a single race tune and the truck made a lot more power which tells me that the problem is most likely the tune. Any ideas?