Can I sue someone over them not allowing me to sell a car we bought together?

Hello. So earlier this year I bought a car with my mechanic for a total of $1500($750/person). Since then ive paid atleast another $1000 to get the car fixed so we could sell it together, which was what we originally agreed upon-fix the car, sell it for $10,000, & take $5000 a piece. Well now I can barely ever get ahold of this guy no matter how many times I call, and he always has reasons as to why I can''t come.by to see the car or take pictures. Ive never seen the car to this day. He says it is at his home. Is there anyway I can sur him for the $5000 we agreed upon? I live in TEXAS, not Arkansas.