i just went to the mechanic and he scanned my car int 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

 

by the way its a 99 tiburon the engine its 2.0

 

check your electrical sys start with fuses

 

Yep inspecting for any wiring issues should be the initial step. Your O2 sensor problem should also be remedied promptly to prevent premature failure of your catalytic converter.