ok, out of the blue, my car decided to run insainely lean.... .4-.5 on the left bank, and .1 on the right... you can hear the engine knock at idle because of the lean condition (lean knock, not thrown a rod knock) anyways, the fuel preasure seemed to be fine, I swapped out the injectors, checked my fuel pump, everything seems ok, but I can't get it to stop being lean.... I have no exhast leak, and I replaced the O2's because of the leanness. I bout a new fuel filter, but have not replaced it yet... Any other ideas?

 

if you still have your maf screen, it might be clogged....

http://www.fbodyv6.com/Emir/maf1.jpg

something ilke that will make it run VERY lean

 

nope, the maf was ported and de-screened many moons ago.