Today a husky 236 start only with choke then die dont even can tuch the throtle pessure -vacuum tests = ok pressure-vacuum tank -vent test =ok coil test inside the cylinder = ok ( blue spark ) fuel line-filter tests = 0k piston - cylinder = crystal clear like a diamond carb pressure test = ok carb opening inspection cleaning ok also the diaphragms are new the saw is only two months carb tuning like the service manual say carb adjusting screws out and inspection the saw can start only with choke even if its hot , then the tacchometer show 4000 then 3000 adjusting the screws hold a little and then again the same up and down , try to start again hot without choke no way any ideas ??
