Same tahoe with GM dealership TSB updated OS for better ethanol content sensitivity and some sort of rear O2 sensor update
Type: Posts; User: Mudsport96
Same tahoe with GM dealership TSB updated OS for better ethanol content sensitivity and some sort of rear O2 sensor update
Tahoe is a 2006 with the virtual flex OS that reads the O2s after a fill up and estimates the ethanol content 16583
The other is an 06 Silverado with the L33 60e 3.42s stock tune non flex
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