02 sensor

[fwdturbobov1996]

anyone replaced there o2 sensor yet ? the one behind the cat ? if so , how do you get up into that 1 inch hole the wire is running into . ?

 

[aliczander]

anyone replaced there o2 sensor yet ? the one behind the cat ? if so , how do you get up into that 1 inch hole the wire is running into . ?

replaceing your o2 is pretty easy its all pretty much just plug and play.... just unsrew the old one put a new one in and hook it up thats all there is to it

 

[DIMONDSTAR77]

if i remember you have to pull the rear seat to unplug it, theres an axis door there.

 

[aliczander]

95-96
upstream - OE# 4606037 / Bosch# 15704 / Standard# SG203
downstream - OE# 5269711 / Bosch# 13417 / Standard# SG211

97-99
upstream - OE# 5269744 / Bosch# 13399 / Standard# SG315
downstream - OE# 5269711 / Bosch# 13407 / Standard# SG211

part numbers if anyone need um

 

[luisantoniof]

and also when you change one sensor you should change the other one

 

[rowlex]

on my 95 tsi awd I was able to pull the rubber plug out of the bottom of the car and then the connector was right there and it just unplugs.

 

[aliczander]

now the question is, for anyone who knows for sure. can you put the o2 sensor in from the trap door or do you have to do it from under the car?

 

[IMMORTALSPYDER]

Most likely from under the car. It's pretty easy from under there as long as it comes out.