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HELP!! 2004 XC90 T6 TERRIBLE MPGS after full tranny replaced

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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juliecouture143
Posts: 1
Joined: 14 May 2012
Year and Model: XC90 2004 T6
Location: Oregon

HELP!! 2004 XC90 T6 TERRIBLE MPGS after full tranny replaced

Post by juliecouture143 »

I have a 2004 Volvo XC90 T6 that just got a brand new transmission, radiator, etc. last month at the certified Volvo dealership in town. Before the tranny failed, I was getting approx 18-22 MPG in town. I am now getting a whopping 12.3 MPG in town... I only use premium fuel in my car... Any ideas on what will fix this? I hear some talk online of a ECM software update to fix this problem- is that true? If so, what do I ask for when I call my service center??

Thanks!
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dcarlson12
Posts: 514
Joined: 2 July 2008
Year and Model: 1997 850 T5
Location: Surrey, BC, Canada
Been thanked: 2 times

Post by dcarlson12 »

Did you complain to the dealership? If it has dropped that much then perhaps any software update should be for free?
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