My car is scurred up.....i real need help. I have been in and out of the shop and am getting annoyed. It has something to do with the s afc and vpc i have. the car also has t 78, fmic, and fuelpressure regulator. I am running real rich and stalling out. the shop replaced the pressure sensor and the car ran fine for about two trips and now its dead. please could some one come help. I am in the boca raton area.