Question about the Lamda probe

Hello, everybody!
In the course of the whole repair work, the
Lamda probe changing foresight.
I built a 3 pole from NGK, now that the car
and no more running out there is only still
the problem that he takes bad gas.
the single-pole plug-in contact is removed and now it runs
I would now like the NGK Lamda against the
Replace originals from Audi? Or would it be possible
an additional ground line to the existing Lamda
==References==

Greetings Hajo