Tune-Up 1998 4-Runner Limited HELP!!!

hey guys!
i have a 1998 Toyota 4-Runner Limited 4x4 ..it has 97,000 miles on it, and is in need of a tune-up VERY badly, the check engine light just came on today..so what do you guys reccomend for a tune-up, i am disbaled and on a fixed income, and i dont wanna be ripped-off by the macanic..so about how much should it cost me to get a tune-up when i take it to a shop?

Thanks so much!
Jack Trost

does anyone every read this? is there an admin out there? hello plz help!!!