i just came back from the mechanic and he scanned my car into their computer and this was the result,
-123 TPS failure
-137 oxygen sensor
-624 fan relat
-1701 transmission tps failure
-po743 evap system
-po747 " "

what do you guys recomend me to do first or try to fix first, thanks

 

Hi , would be eazyier to give you a answer if we had more info on your car ,make, model. year an motor size

 

99 hyundai tiburon 2.0

 

most codes don't pertain to your car. Have a Hyundai dealer check the system with the correct scanner