2006 Mazda Mazda3 with code P0126, what part should i replace with this engine code?

Question

2006 Mazda Mazda3 with engine code P0126, what part should i replace with this engine code?

Answer 1

The 126 code is for the engine coolant temp sensor. First, make sure the car is full of coolant and not overheating. If it is, then the first step would be to replace the engine coolant temp sensor.