Slowly ironing out the bugs on my next project (1994 Chrysler Lebaron LX 3.0). Have a couple of issues, during the first start of the day the car cranks up instantly but after that it takes multiple attempts to get her started. I am also throwing codes 21 and 52 after idling for a bit. I am pulling almost 20hg of vac at idle, so I do not believe it is vacuum related. Can someone give me a good vicinity on where to start? I believe I am going to start out with a tune up first and see where that takes me, I am also suspecting a bad fuel pump maybe? Any help/tips would be appreciated.