92 mustang gt with 5 speed. Sometimes my throttle will stick but not always. When this happens its like cruise control is on. I feel it right away. Ill use brake to lower rpms but idle will be high when this is happening. 1000rpms to 1200rpm. Normally 750 800 rpm when not sticking. Also when this happens ill go to shift at say 3k rpm n it will stay there or go to maybe 3200 rpms then drop clutch n go to normal rpm. If i rev it the rpms will just hang. Is this just a dirty throttle body sticking that i need to clean or something else. Does not always happen. Usually when it does happen it will be about 20 min into drive n sometimes stops after ten minutes or so. Thanks guys!