I am having trouble with my 1995 pontiac grand prix with a 3.1 motor. I have replaced the crank shaft sensors, o2 sensor, fuel pump, alternator, and even the cars computer. I turn my car on and it dies on me. The battery light and the oil pan light come on. When I turn the car on if I give it gas real quick and shift into drive it doesn't die out on me just drives like it wants to shut off. I can't figure it out anymore and I am tired of wasting money at the mechanic. If I can't figure out what's wrong with it real soon I think i'm gonna junk it.