P0340 KIA - how do i change the sensor

Question

The Kia Sadona starts and runs good, but the engine light is on. It also is showing two codes.

Answer 1

The P0340 code is for the Camshaft Position Sensor and it's possible that the sensor just start failing. You should considering replacing the sensor before getting any other problems. The link below shows you the location of the sensor.

P0340 2003 KIA SEDONA - Camshaft Position Sensor Circuit Malfunction

Read more: https://www.autocodes.com/p0340_2003_kia_sedona.html

The p0431 code is for the catalytic converter, replacing the catalytic converter is expensive. You should start by replacing the camshaft position sensor first and clearing the code, and if the code comes back, you may have to replace the catalytic converter.

P0431 2003 KIA SEDONA - Warm Up Catalyst Efficiency Below Threshold Bank 2

Read more: https://www.autocodes.com/p0431_2003_kia_sedona.html