Question about 2007 Volvo S80 V8 Sedan

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Dashboard fuel guage on 2007 Volvo S80 V6

Problem since July 2007, The gas tank is completely full. The dashboard fuel gauge bar indicates approx 1/4 inch of that bar has not moved to the right to indicate a full tank of gas. Third appointment at the Volvo dealer on 8/25.

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  • volvo850 Aug 21, 2008

    Correction: Problem has existed since July2008. Car is 2007 S80, V6, not Volvo 850

  • SherryCAR Aug 26, 2008

    Bought the Volvo S80 in July 2008. The first time I filled up, the gas gauge wasn't accurately reading that I had a full tank. I thought that maybe it would take a little while to register the rest of the way (1/4 away from full), however...it didn't. Everytime I fill up my tank the gas gauge reads 3/4 full and doesn't go any higher than that. What should it read (how many miles) when you fill up your tank? Mine only reads 330. I've never experienced anything like this before with a brand new car. I'm going to call Volvo and make an appointment to have it checked out very soon.

  • SherryCAR Aug 26, 2008

    The above is a 2008 Volvo S80 not 2007

  • jlottis Dec 29, 2008

    I have had the exact same problem with my 2008 S80 which we purchased in July. I, too, thought that it would "kick in" and work after putting a few miles on the car, but that never happened. I did take it into the dealership and Volvo suggested they replace the entire fuel tank. As they were running the car out of gas in shop, it ran out of gas when the gauge read there was still 1/4 of a tank remaining. I'm so lucky that never happened to me as I usually wait until the light comes on before filling up. Got my car back and after I filled it up the first time, the problem was STILL there. It's going back to Volvo today......

  • charpatnj Mar 12, 2009

    We have the same problem with the dashboard fuel gauge on a 2007 Volvo V70 not working. The dealer claimed that it was caused by keeping the key in the ignition when filling up the gas tank, which supposedly messed up some computer function. He fixed it for us, but my wife left the key in the ignition again, so we're still driving without knowing how much gas we have left.

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You will need new sending unit you have 2 left and right you will need a scan tool and one is not working right most the time is left side sending unit bad not working it can be replaced from inside

Posted on Aug 18, 2009

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Sending unit is more than likely bad

Posted on Jul 24, 2009

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