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I just bought a greg banish tuning book on amazon hopefully it will help and ive been doing research all morning im starting to understand maf afr fuel trims etc..

Im starting to understand it thanks to videos but still a little confused as to what are pids histogram lambda but im sure when i get actually get the vcm suite it will be easier

Ok thanks everyone

Thank you guys but read what? (Noob question)

I have a 2009 Cobalt ss turbo i plan on buying the vcm suite and learn how to tune it can someone point me in the right direction