A while ago i noticed my car idles somewhat rough, not very bad, small enough that a passenger can barely feel it when sitting at a light. But to me its feelin like the world is rockin and i could feel it a mile away. (that bond between man and his corvette ) Anyways i have changed plugs and wires, and have run several bottles of fuel injector cleaner. (the wal-mart stuff) nothing has really worked yet. My car is a 02 with 70,000 miles. Any ideas or advice would be nice.