getting codes po121 and code po304 i chanded the coil pack system and plug wires and now the tps sensor still comes come back
Hi there
This would usually mean you have a wiring issue from the TPS to the computer. Recheck the connection at the TPS and if it looks good, check the wiring all the way to the computer.
P0121 HYUNDAI - Throttle/Pedal Position Sensor/Switch 'A' Circuit Range/Performance Read more: https://www.autocodes.com/p0121_hyundai.html
36.2k questions
32.2k answers
1.3k comments
22.8k users