Recently starting my car on a cold morning meant one turn of the key and engine fired right off. In the last couple of days I have had to repeatly crank the engine two-four times before it will run smoothly and take up the proper idle rpms. I replace the cold start valve a couple of years ago. My guess is that the cold start switch on the intake manifold may be bad? After reading my repair manual I'm thinking that the problem. Is there something I'm missing?