Hey guys whats up, i just bought a 93 prelude si, it has exhaust , headers , and intake, and 210,000 mi. but when i pull up to a stop, the car idle's really wierd...for a minute it will just idle at 2k but then it goes to 2 1/2 and drops back to 2k, and it makes it sound like im doin it, but im not...how can i solve this problem..whats wrong with the car? i've never had a car do this to me..thanks..