Overhaul your engine with the help of a mechanic and make sure that oil id filled in your engine area with proper coolant fill In radiator, so if your valve are sticking due to lack of oil or overheating it will resolve by this overhaul.
If still some problem occurs, as you said one cylinder is working at startup. Than swap the cylinder parts like piston or block or rebuild them to make your car engine work proper.
Prior knowledge source – www.hiperformer.com/engine_basics/how_engine_works.html complete guideline for engine repair.