oil pump

I have a 88 Cavalier Z24 convertible with a 2.8L V6 engine. When you first start out driving, the oil pressure is fine, reading between 40-50 lbs when driving 55mph or so, and about 35-40 lbs at idle. But as you keep driving it and the engine gets warmer, the oil pressure starts to drop. If...

My 2000 Chevy Cavalier (2.2L) has died on my 3 times in the last month. It's all been about 30 minutes into the drive on the highway going between 70 and 80 mph. It will be running smoothly and then it will just sputter and die. Electrical components appear to be fine. I try to start it up...