Im having the same problem But Only its a little different with my car its an acura integra 1998 automatic i just got a nerw engine put in because my timing belt went out but only thing is the place that i bought then engine from gave me the wrong engine and i had the guy that put it on for me pretty much take the other parts on my broken engine on the one i bought but my car runs fine it just seems to revv up when i reach 45 mph every time i go up to 45 mph an i dont know if it could be my transmission or just not sure what it could be im hoping its not my transmission because i just spent alot of money on my engine