I have a 1997 Pontiac grand prix supercharged. When I try to start it, it just makes weird sounds and shuts off. pressing on the gas will keep it revving but it sounds god awful and shuts off as soon as I let go of the gas. Car has 178 thousand miles on it. I got the car scanned and it has too many error codes to count. I have replaced the MAF sensor twice and nothing changed. It has had rough idling problems and randomly loses power and sounds like it sputtering before it died all together. It completely quit on me when I didn't realize I was out of gas and drove it home. The next day it wouldn't stay started, and I kept pushing the gas. Ive heard that this can damage the fuel pump and other things. Any suggestions at all?