...coming out of it.? I have fixed the computer map sensor I got it tuned up the sparks cleaned i changed one of the o2 sensors , the water pump , the radiator i have ran the mileage on the hwy and road it literally get about 75 to 80 miles before run out of gas if im lucky. and i lose power constantly i cant go past 70 miles per hour and it takes forever to get there..help