it has too! lol I remember my first car i could ride to school all week on 20 buck and it i ran the AC i would have to fill up in 2 days! I know it robs hp too!! Try to drive a Si up hill with the a/c on it dang near impossible! lol Either way your right the A/c need to be fix! Ill look at it this weekend and get a recharge kit for it!