Just a thought, have you checked the coolant temperature sensor? Is there any strange behavior with the temperature gauge right when it happens? I had this problem and it was a shorted out coolant temp sensor, causing the computer to think the engine was cold and sending more fuel. That was in my 19...

Hey folks, Not exactly sure what's going on here. Water pump seized up on the way to work the other day, causing the timing belt to come off, while travelling at around 30 mph. Towed it home, replaced the water pump, reset the timing. I want to see if I can fire up the car at to see how bad the dama...