fuel cut issue! ka24e help! noob

ok heres the problem guys. in every gear it doesnt matter what one when i get into the 5-5.9k range my engine seems to have a complete fuel cut and the engine dies the same way it does when you hit 112 or what ever the gov. speed is on 240s in 5th gear.... the car doesnt die it just idles down and picks back up. im a noob so any info would be nice.

See you later brah