Ok so I've been sick and haven't driven my ranger in about 8 days. A couple days ago my dad took it for a drive and thought the engine sounded rough, so he threw a little mystery oil in the gas. Yesterday I drove it to work and the engine sounded quiet, but my truck would NOT want to go in any gear until it fully warmed up! It started to grind if I wasn't going the right speed. Today my shifter stick seems to be normal, but my clutch feels a little weird. It seems softer and my truck seems sluggish. Any ideas? PLEASE tell me my clutch isn't going