The camshaft position sensor is mounted on the chamber head in front and underneath the crankshaft belt front of the 2010 Kia Rio. It transfers data about the place of the camshaft as it turns. The data from the camshaft position sensor should match the attractively perused information given by the driving rod position sensor. On the off chance that both the readings are not coordinated</br> then</br> at that point</br> the ECU will signal it as a mechanical mistake. A shortcoming in this sensor will cause the check motor light to turn on and may make the vehicle slow down. It ought to be supplanted straightaway . The substitution will slow down You $170 to $235 roughly.