I am still here, car has been in the shop since July. Attempting to fix the lean fuel mixture problem. As most of you know my car is 2.0 with hotter cams, 9:2-1 compression, header and a custom larger air flow meter, and FI. So there is no adjustability. So far I have had the header welded at the cracks , and heat coated, replaced the cracked rubber intake hose for the Mass air flow meter. Replaced the fuel injectors, fuel regulator, and filter, and some of the electronic sensors. Pluse the thermostat, next is welding the cracks in the muffler joint to the exhaust system. I don’t know if the lean mixture caused most of these problems, or the other way around.