09 Aveo 72K has had throttle body codes before...has had new throttle body installed by chevy..had ecm re cal same time...thats been 2 yrs ago...my son has car now drove today went few miles from house it shutter a bit then loss power..he says the steering seem to be stiff while getting off road...sit a minute restarted drove again..maybe a mile then repeated same thing...restart again drove back to house...says dash lights came on while dyeing...but no CEL while running down before problem starts??? The car is 50 mile away from me what should i take to check out??? Do Aveo's have ground...Power problem??? Car does restart though??? Batt is 2 yrs old tops Any thought?? THANK YOU