Rough Idle When Cold!
IF confirmed stock, start with the basics like o2 sensors, clean the MAF, plugs/wires, fuel filter.
Before I forget, the fuel filter is located at the rear of the car on the driver side. I wanna say where the rear seats would be. Get some PB Blaster or some sort of rust penetrator just in case. De pressurize your fuel system by opening the gas cap and manually pushing the metal lid in so that you don't get a fuel explosion.



