I may have posted this on here before. but i'm still stumped. My car is running RICH!!! I changed the plugs, wires, o2's, pcv valve, fuel filter, and i did a fuel pressure test (good) and a vacuum test (perfect).

What else can be causing me to run rich? I have ran fuel injector cleaner through it, but that did not help. What else can it be? Once my laptop charges, i'll post a data master log for you guys to take a look at.

 

It can be a lot of things. Check for exhaust leaks, check and clean your MAF, IAT, EGR. May be your PCM is reprogrammed or smth? If not exessive, running a little rich alot better then lean for a motor...

 

EGR is removed and blocked off. MAF is descreened, but i'm not the only one running a descreened MAF. it did it before and after my long tube header install, so i'm assuming it is not an exhaust leak.

I'l get you exact number in alittle bit.