Hey.
What is my Mazda problem?
I have a Mazda 6 2.0 diesel 2006 models 406thousand kilometers.
Now my DPF light flashing and engine light is yellow and traction control system is yellow.

I try to start force dpf cleaning, but not working.
I try to delete lights, but not working..
And i replace my engine coolant sensor, but now my heat meter not working.
why this not working?

How i delete all lights and get my engine power back?

Sorry my bad english language.