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2010 Hyundai Santa Fe

 

Question: Why has my mpg dropped so much? I'm using the same gas, dealers, same driving.

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bbunch, 2.4L 4 Cylinder, Murfreesboro, NC, December 04, 2012, 07:02
 Rookie

I have a 2 yr old Hyundai Santa Fe. Up to the last 6 mos., I got 26 to 28 mpg (higher for longer trips). Now I am getting 20 to 23. Regular oil changes, air/fuel filter changes per requirements. Is there an additive that will actually work and help improve mpg?

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  • Answer #1

    goodguy December 04, 2012, 07:58
     Master

    have you had a tune up done?

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    bbunch, December 04, 2012, 08:43
     Rookie

    Yes. Filters, etc. all regularly changed per warranty requirements.

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    goodguy, December 04, 2012, 14:15
     Master

    there is more than just filters involved in a tune up have you changed your spark plugs and get it scan tested for codes.the higher the mileage the less your mpg will be because of wear and tear on your engine I would also trying putting injector cleaner in the tank

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    pushrod, December 04, 2012, 19:09
     Master

    You have a point there g.g.,I agree.

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