Well, when I turn on my car, the car idles poorly and the 4W ABS light, oil pressure light, and coolant level light stays on. All the accessories work and the battery still has a full chagre on it. All my ground wires are hooked on (I found a loose ground behind the UIM that has two wires and one crimp connector, so I hooked that up to the other ground strap). This just came up recently, and it went away for a day or two, but then came back.

I found a few threads on this topic which said it could be the alternator or the belt, but none of the threads were conclusive. Any ideas?

 

Well, I swapped out the battery and that wasn't it. It turns out it was the alternator. A simple rebuild did the trick.