first off ,thx for all the info it has helped alot. i know nothing about vehicles, and this is my only car .when it is down i am hurtin. its almost fixed now, but i need to know where my fuel filter is located so i can replace it. 91 lumina 3.1 liter

Under the l/s of the car near the fuel tank.

If you don't know anything about cars, then perhaps I should say this....be sure to relieve the pressure from the fuel system before changing it...unless you want a facefull of gas