i was driving down the interstate headed home from work and my cadillac converter overheated and turned red. i had to cut the exhaust pipe to make it home. the car began to miss in the #3 and #4 cylinder. I have replaced the plugs wires and two injectors, but nothing has changed. I NEED HELP. Also, there is gas in the oil.
I would do a compression test on it. it sounds like low compression or maybe head gasket gave way between the cylinders...