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How to remove oxygen sensors XC90 T6.

This topic is in the MVS Volvo Repair Database » How Oxygen Sensors Work
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joelq
Posts: 33
Joined: 13 Jun 2011, 13:29
Year and Model: 2004 XC90 2.5T ~135K
Location: Frisco, TX (Dallas, TX suburb)

Post by joelq »

gshadow325 wrote:no, t6 is a 2.9l twin turbo straight 6, you 2.5l car is a single turbo inline 5
Thanks, gshadow325.

Does anyone have any pointers on where the O2 Sensors are on the 2.5l? I've looked in VADIS, and not sure if I just don't know how to work it, but I couldn't find any information on the O2 Sensors.

Thanks!

Amplus
Posts: 1
Joined: 26 Jul 2011, 12:31
Year and Model: XC90 2004
Location: Iceland

Post by Amplus »

Thanks a lot for this tutorial :D .

I plunged in and decided to try to change the front right sensor on my 2004 XC90. I bought a boch 17188 from www.sparkplugdepot.com/. It was the cheapest place I found that had international shipping.

I was able to get the sensor off with a fixed 22 mm spanner. I had to bend/hammer the aluminum headshield to get it on there. Fortunately the sensor isn't heavily tightened. I included some pictures of it. I did remove the air filter box but it was really hard to get my hands on the wires, very tight. By pulling on the sensor wire I found it went far down and the only way for me to get it loose from where it was fixed with a clamp was from behind the front left tire. The clamp eventually broke off so I just left the new one hanging...

Pictures:

Image Image Image Image

www.use.com/22919ab86c377e1785f7

Second picture is a close up of picture 1 from where I had to get the clamp loose.

bucketofguts
Posts: 2
Joined: 25 Jun 2025, 11:47
Year and Model: 2003 XC90 T6 AWD
Location: Piedmont N,C.
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Post by bucketofguts »

What a pain in the ass

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abscate
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Post by abscate »

If you ve got the right part in hand you can commit by cutting the wires and using a 22 mm box end on the OXS.

I USE THE CTAtool, a black oxide six point with a cut out, and deep socket for strength.

Hers a bunch. I would skip the $6 ones

https://www.amazon.com/s?k=Cta+OXS+sens ... nb_sb_noss
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
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