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This is one of the reason i'm doing a MAF only tune and im not so much trying to squeeze power out as much as i'm tiring to bring things back into spec.I haven't touch timing yet ,but i might add...

The wide band is at the front of the down pipe maybe 12" aways from the stock 02, but i am running a pace setter mid length header so that dose place the wideband pretty far away from the exhasut...

Both disabled.

408864088740888thanks, i just went back and looked at that tune after spending a few days reading the forums and getting familiar with the software...and i'm not sure what i was originally trying to...

Wow thanks for all the input. The issue with the unstable duty cycle seems to have cleared up... iv been logging my drive to and from work to calibrate the maf for low and mid range (the error % is...

Sorry wrong tune file. this is the correct one.

Hi im new to the forum and HP tuners. I drive a 2006 Cobalt SS/sc

I was in the process of calibrating the MAF at WOT,and after i few pulls i noticed how Inconstant the AFR was. After looking at...