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How to remove oxygen sensors XC90 T6.

A mid-size luxury crossover SUV, the Volvo XC90 made its debut in 2002 at the Detroit Motor Show. Recognized for its safety, practicality, and comfort, the XC90 is a popular vehicle around the world. The XC90 proved to be very popular, and very good for Volvo's sales numbers, since its introduction in model year 2003 (North America). P2 platform.
This topic is in the MVS Volvo Repair Database » How Oxygen Sensors Work
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joelq
Posts: 33
Joined: 13 June 2011
Year and Model: 2004 XC90 2.5T ~135K
Location: Frisco, TX (Dallas, TX suburb)

Re: How to remove oxygen sensors XC90 T6.

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 July 2011
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 June 2025
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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