I have a lope in the idle, a slow throttle response at takeoff almost like the engine stumbles a little, and when I crank the engine I have to turn the key and let off of it a few times. About the third time I turn the key, it fires right up. A friend of mine suggested the fuel pump. I replaced the filter about a month ago, and the one I took off looks like it has been on there since 88 when the car was put together. It was completely rusted out and the gas coming out of it was a dingy brown. Also I hear a low pitched whining sound coming from the rear of the car when it idles. Could my friend be right, does this sound like a fuel pump problem?