goBYeBYe

iTrader: (5)

Im hoping I can get more response on this section... Here is my issue.

I recently installed my cossworth cams, arp headstud and 680cc. My tuner said that he configured the scaling properly and even add the 2-byte section for the fuel map. Im getting this issue of getting P0171, system too lean code. The car start to idle really rough and my gas mileage is really bad when this occurs.

I believe this only happens on low rpms and during idle, everywhere else is fine since the afr is close to 11 to readline.

I hope anybody else have input on this issue.

Here is the link to my other post.
https://www.evolutionm.net/forums/sh...d.php?t=300037


TIA