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  1. B5 Garage
    There's no such write-up, info in the forum so I thought I might give a few pointers that might benefit someone down the road as long as these cars are still moving. If you have access to a shop lift, bless your heart. Otherwise you have to raise the car as much as possible so you have enough...
  2. B5 Garage
    Various vendors show two different Bosch part number series: 16132 (eqiv: 16257 / 16305 / 16109) and 16978 (equiv: 16121 / 16307 / 16161) Which is correct -- or preferable -- for the downstream oxygen sensor on an AUG (probably AWM, as well) 1.8T? Does anyone know the difference? Lead...
  3. New Member Introductions
    Hey guys! Noobie here. I've looked around and I'm having some issues getting a straight answer so I figured I'd go ahead and just ask.. Check engine light came on letting me know my O2 sensor was going out the door. So I'm working on buying a new one so I can replace it but can't seem to...
  4. New Member Introductions
    P0155 "bank 2, sensor 1" <-- is this downstream or upstream on a 2002 GLX with 2.8L? is the P0155 "bank 2, sensor 1" o2 sensor failure indicative of a downstream or upstream o2 sensor? Thanks -ty
  5. Volkswagen Passat B5 Discussion
    I found this video that shows how to replace downstream O2 sensor without jacking up the car. This is what I'm going to try this weekend.
  6. Volkswagen Passat B5 Discussion
    I have changed the upstream O2 sensor last week and this week I want to change the downstream one. I've been watching many videos and searching a lot through write ups and pictures but the more I see the more confused I get. :rolleyes: In the posted videos and pictures the downstream O2 sensor...
  7. Volkswagen Passat B5 Discussion
    Instead of tying to fit on in the small place were my 3 inch test pipe is I wa:wrench:s wodering if any one has welded in a 2.5 in high flow cat down after the flex pipe? And what would be a good cheap cat converter to install I just don't want to loose a lot of power by adding it and def dont...
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