EML O2 sensor
I need some feedback from you regarding my A45 AMG Brabus 2013 with 105k
The problem is as follows:
I got check engine light twice this past weeks, the first time it was O2 sensor which have a wrong correction at certain point but my dealer did the diagnosis and it was working properly,, both of them (pre and after cat), no limp mode. The second EML was the same plus a low backup pressure, this case I had limp more. Both times were deleted. The problem now is that the car enters in limp mode when I push from 2 and then it 3rd gear around 3500revs limp mode appears and no EML. I've heard that the problem could be rather the wastegate, PCV, thermostat or even the lambda sensor after the cat, the pre cat was replaced. I'm looking forward for your suggestions.
Thanks in advance


