Appears stock, all CVN's are stock. Thanks
Last edited by In-Tech; 08-06-2022 at 03:29 AM.
-Carl
Originally Posted by Mudsport96 Tahoe is a 2006 with the virtual flex OS that reads the O2s after a fill up and estimates the ethanol content Attachment 16583 Same tahoe with GM dealership TSB updated OS for better ethanol content sensitivity and some sort of rear O2 sensor update
in search of a 2006 4.8 with manual tune, if anyone has one. Thanks!
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