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fuel efficiency

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pacerciello
Posts: 1
Joined: 24 Jul 2013, 08:20
Year and Model: 2004 S80 T6
Location: NJ

Post by pacerciello »

I have a 2004 Volvo S80 T6 2.9 with 70,000 miles on it. In the past 10 weeks my average mpg has gone from 19 to 17. I have cleaned the mass airflow sensor...any suggestions? Before cleaning the mass airflow sensor at times when giving the car gas it would hesitate.
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JDS60R
MVS Moderator
Posts: 3532
Joined: 21 Feb 2009, 19:52
Year and Model: 2007 S60R 2016 XC70
Location: Mount Juliet, TN
Been thanked: 3 times

Post by JDS60R »

Start with service items like the spark plugs, air filter and fuel filter.
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