i have a l3830 and it wont rev up apast 1400 rpm ive changed the oil and filter the fuel filter the air filter ive check all the fuel lines it blows a little smoke at start up but thats normal it runs good up to about 1400 rpm but win it gets there it just acts like it hit the govner and i check the throttle and it presses all the way down and the rod moves the little thing (dont know what its called) all the way to the bolt any help would be nice thanks first time on here