daves4

its starting to fail (the DTC comes back within one day of being cleared). Just spent $280 to fix rear wheel bearing this month, and $220 to fix a leaking fuel injector seal last month!

Will it hurt anything?

DYOS4

What do you mean without? Dont take it out, but yea you keep driving around.

P. Bauer

That's your bank 1 side 1 02 sensor. The VW sensor is EXACTLY the same except for the connector (you can splice the Audi for the VW connector). The Audi part is $175, the VW part is $27.

email me if you need more info or do a search for VW 02 sensor.

daves4

But NO WAY do I want to spend like $300 when I can do it for $30!

P. Bauer

you will only have to move the coolant expansion tank (3 screws). YOu will need a couple of extensions (14-20" long) an 02 sensor socket, and a swivel for the socket or the ratchet handle. I've switched 3 of my 4 02s like this and it's pretty straight forward.

It will help a little to jack the car up and have somebody help guide the socket on to the 02 sensor wire. When installing the new sensor, twist the wire (preload) in the opposite direction you will be installing it. This way, when it's tight, the wire won't be twisted to all hell.

daves4

when you say 14-20" extensions, what exactly do you mean by that? I hate to get into it, and then realize I need something. Also, I do need to rewire (and heat shrink) the wires, right?

Hey, thanx for all this great information!! Much appreciated!