Ok, I have an 1993 RX-7 running fine(surprisingy) but this gues. is for my 92 Camry 4cly. The problem is when the car gets warm and you put the car in Drive the RPM's bounce around from 600 to 900 RPM. It makes the engine and car shake badly. But you put it in Park and it Idles fine. Also once you start to go in drive the car acts like it has a bad miss all the way up to about 3K RPM then its fine after that. It just started after I put gas in the car. I'm thinking maybe a Fuel problem(clogged Filter or just bad gas) or maybe ignition problem. I just can't figure it out. Help please!!