I have a sears craftman 14.5 hp M# 287707 Type- 1259-e1 code 010103zd... It set up since may of 2007 , I charged the battier and put a little gas in the carb. It started but it will run full throttle only, The throttle is on low , but it still runs at full throttle. I took the carb. Off and cleaned it out good with carb. Cleaner , and it still runs full throttle . Help please!