Engine problems PLZ HELP!!!

ok, i have a 1988 Toyota pickup 4x4 22-re EFI, I bought the truck about two months ago and the truck has been great so far and running fine. Then the other day i was riding and i noticed the Clutch Start Cancel button while driving the down the road, then my truck has start running really bad at first it would just kinda lurch going down the road and then it would run bad then all of a sudden it would jerk and it would start running fine again and i would have all my power back for a couple miles untill it started running bad again. Now the truck is running so bad when i come to a stop the truck just dies. I tried dicounting the battery, pulling fuses out, Idk what else to do. Now the truck seem like the clutch isnt working while driving and i try to change gears i have to force the gears to change. WHen i took the fuse for the dash temp and gas gauge out the truck started running a little better but when i put it back in its starts running really bad. Plz someone help i have to drive this truck ever day to work.