I just turned up my idle becuase sitting at a stop sign and with the system i got in there it olmost kills that engine but after i did that it idled at 2 grand and i know that that is to high and i turn it down but before i turn it down it would zoom up to 2k and then the computer would bring it down to 1grand and then back up to 2 grand and it will keep doing that so i turned the idle bakc down and it still does it can anyone help??