Do I have a junkyard O2 sensor?

Delasangre

Well-known member
Joined
Jul 6, 2023
Location
Oregon City, OR
TDI
2011 Jetta Sportwagon
I am getting really ****ty fuel economy. Tuned and deleted and everyone says 50+ MPG. I am getting 31. I am throwing an O2 sensor at it just to see what happens. But the new one I got is not the same as the one coming out. I pulled out a 03L-906-262-B which shows for 2009-2010 TDI, mine is a 2011 Sportwagen. I ordered a 1K0-998-262-AD from ECS which I just punched in my car and that is what they said fits. This shows 2005, 2006, and 2009-2016 TDI.

I am wondering if the one I had is the stock one, being a 2011 MY probably made in 2010. Or did someone go get a used one from the pick and pull and put the wrong one in?
 
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