I swear by the stuff. I use it in fuel injected vehicles sometimes, and it seems to clean it out pretty well. Mainly i've used it in carbs though(mostly motorcycles), the stuff is incredible, it'll clear out a sticking float in a few miles. Kinda gettin spendy, but worth it to me.

86 4runner, pro comp AAL, Kayline Soft top, 31's but all stock