for couple of days now my car been running pretty sluggish,bugs really bad. so finally it threw a CEL and i went to check it out and its PO171 (which means running lean)

so do i just need a tune ??

here is my mods list
272s
hks bov
piping and front mount
full exhaust
intake

let me know what you think

thanks

 

Yes, it needs proper tuning.

 

dang it thats what i figured