125-200cc wots ecu6 on my husqvarna sm125 08 reg

every time i go out on my bike ecu 6 comes on the dash... il stop trn the bike ingnition off wait 10 secs turn it on again n it goes off.. start riding bout 2mile n it dont come bk on... il go out the next day n on the way to work il notice its on again.. il turn the bike off then bk on n it oes off.. n its also bogin when im in low revvs n at a low speed. il full throttle it n it just boggs.. n builds up slowley reachs bout 30-35mph,, then it goes fine to the powervalve... then il slow down n it goes all boggy again... can any plz help me..
n i now that ecu6 is my exhaust valve and carburetor potentionmeters.....n wot the hell am them!!!