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2004 XC90 T6 Sluggish Acceleration w Check engine light on

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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rpfitton
Posts: 1
Joined: 19 November 2014
Year and Model: 2004 XC90 T6
Location: Honolulu

2004 XC90 T6 Sluggish Acceleration w Check engine light on

Post by rpfitton »

The car runs fine except for sluggish acceleration. Check engine light is on but I couldn't pull any codes from it. Any suggestions as to where to start. One friend told me possible O2 sensors. 99K miles original owner.Thanks.Russ

Stravlr
Posts: 55
Joined: 25 June 2014
Year and Model: 2004 XC90 T6
Location: Lumberton, NJ

Post by Stravlr »

go to AutoZone or your favorite FLAPS and have the codes read. Without them it can be so many things. That said - what is different from before the no check engine light until now?

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FLXC90
Posts: 1132
Joined: 18 August 2014
Year and Model: 98 V70 T5
Location: Florida Panhandle
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Post by FLXC90 »

Did the acceleration become sluggish gradually, or just one day no get up and go? An O2 sensor usually fades out, if your boost controller fails, or a hose ruptures, it will be more right now. Check all hoses and connections that you can, and maybe pop the hood and listen while someone revs it, maybe it will be obvious. Codes is the next (or other first) step.
Current Volvos:
1998 V70 T5, 112k sat 5 years, still in mechanical coma (finally at the top of the pile )
2004 XC90 T6 AWD: 186k, 60 on transaxle ( traded in )
1998 POS70 N/A: DD/training aid, 236k but really about 240k, I think...ABS module( passed on to son who sold it)

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