Hi,
Can enyone help me with tis graph?i know that the signal from the 02 sensors should'nt be the same.I'm getting P0420 on multiecuscan regulary,and I tried to clean the exaust sistem with deferent solution,but the error is reapering.
Do i have a bad lambda sensor or is catalyst dead?
10x.

Nobody?i realy need some help with this problem.
10x