Car got tuned with the safc..my wideband says iam runng 13.9 at idel and 14.5 at wot which is supose to be good if iam not mistaken but the cars spitting out black smoke and shootin fireballs like iam running super rich...need help,iam about to bring it back to the shop where i got it tuned but i havent had the time yet....let me know what you guys think....

 

You mean 14.5 at Idle and 13.9 at WOT? What do you have to measure that you are actually running at that stated A/F.

 

your wibeband is probably calibrated wrong, or wired.


Should be 14.7 average at idle and 13.0-13.5 WOT.

 

Who tuned and to what AFR?