To check fuel pressure you need a special adapter that goes in between the fuel rail on the engine and the fuel supply line from the pump. I would check the fuel filter. Not very expensive and probably needs one any way. The only "dry gas" products that remove water have alcohol in them. Too much alcohol and it will run lean. I don't recall the cavalier having E85 capability back then. Most of the time the pump either works or it doesn't. That being said I had a 07 Avalanche today with a lack of fuel problem. Fuel pressure held with the engine off over the weekend. The fuel pressure was a little slow to build and fell off when calling for more than 10% throttle while driving. Either the pump was bad or the fuel filter was clogged. Don't know for sure. The filter is built in to the pump. To change the filter you have to change the pump. A new pump and all was well. Check the plugs. Gaps too wide can cause hesitation. Bad enough would set misfire codes. Running poorly over a long time period can clog the catalytic converter. A clogged catalytic converter won't make it buck. It will just be a real turd.
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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