Thread: Will replacing my o2 sensor improve fuel economy / MPG?
View Single Post
Old 01-10-2017, 01:24 AM   #16 (permalink)
teoman
Master EcoModder
 
teoman's Avatar
 
Join Date: Jan 2017
Location: Istanbul
Posts: 1,245

A3 - '12 Audi A3
Thanks: 65
Thanked 225 Times in 186 Posts
Generally ecu needs some time to re-train itself.
  Reply With Quote