So... all electrical problems fixed, and most of my gas mileage problems fixed, my car is running really good. But.... only one big thing wrong I am noticing right now. At higher RPM's (above 6000 RPM), it doesn't want to shift into the next gear. I actually have to let off of the accelerator and let the RPM's drop before it will shift.
I have a few things in mind what could be wrong, but I'd just like some of your guy's opinion's.