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poor gas mileage

  1. Malibu 3.5 v6 2010 (Israel edition) poor gas mileage with check engine light

    Gen 7 Problems/Service Issues/Troubleshooting
    My 2010 Malibu check engine light came on a while ago but recently the gas mileage dramatically drop to 11 mpg and there is a mild burnt oil smell. I don't drive the car so much only 2 miles a day and my oil life system shows that the oil life is 28%.any thoughts? BTW it has a 3.5 v6.
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