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rough idle, loss power...help ID a part

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.
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Darin Schroeder
Posts: 1
Joined: 6 July 2012
Year and Model: xc90 T6 2004
Location: Kansas

rough idle, loss power...help ID a part

Post by Darin Schroeder »

My 2004 XC90 T6 has been idling rough after it gets warmed up. If I turn the AC fan off, it helps. I though maybe it was my ETM, so I was going to try and locate it and clean it. In doing so, I found a part that was broken and I need to know what it is so I can replace it. I am hoping this will fix the problem with the Idling.

Description of part:

Has a 2 wire harness at the top, 3 hoses at the bottom. Part snaps apart and has a diaphragm and a spring inside. This unit sits to the left and rear of the air filter housing.

I have currently "duct taped" this part back together and the idle seems to be doing better. I belief this part has something to do with a temp control or something.

thanks,
Darin

***EDIT**** see pic.

Image

The Blue Whale
Posts: 87
Joined: 13 September 2010
Year and Model: 06 xc90, 2011 xc60,
Location: Amory, MS
Been thanked: 1 time

Post by The Blue Whale »

Looks like the Egr control valve.

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