Gen 3 Phase 2 Emissions update Code 23y8

Clayton K

New member
Joined
Sep 3, 2017
Location
Illinois
TDI
2015 Jetta Sel 2.0 tdi
Need some feedback on the Gen 3 Phase 2 emissions update on my 2015 2.0 tdi jetta sel. I am wondering if it will effect my fuel mileage, power, shifting, etc. for the better or for the worse.

Has anyone else gone through this? I never received a letter from VW but heard about it from my dealer when i had my car in at their dealership recently. I would hate to have it done on my car if it hurts my power, fuel mileage and what not. Any thoughts or feedback would be helpful. Thanks!
 
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