my daughters cars would run fine than while driving the engine would just shut down and not start again. I would have to tow the car home again let it sit than it would start again. this went on for a few weeks,i changed the plugs, wires, ignition coil, and the o2 sensors. i was told to change the computer,did that still the same thing. now it wont start at all, the engine turns but it will not start up. I noticed when i changed the computer there was an oil coming from one of the terminals on the computer.