ok so i got my fuel presser tested today and it was 18 psi ideling and the most it got up to was around 28 druring driveing it. im not sure what the spec. is on the psi. but it seems kinda low. and then driving to lunch my cel finnaly turned on went to autozone and pulled the codes they are as fallowing 11,11,141,49,41,49 a girl was doing it so im not sure if they are right ..i have notied a drop in gas mileage so now im think it is the MAF..