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Cadillac: Gas Milage went South on 98 STS

  1. #1
    TG
    Guest

    Gas Milage went South on 98 STS

    The mileage I am getting is 14 mpg in the city, hwy about 18. It used to be
    at least 5 to 6 mpg higher. The car has not had an engine tune up for over
    100,000 miles. Could this be the problem, the mileage just went south so
    quickly? I have 168,000 miles on car. The car does not miss or sputter, its
    just sucking up a lot of gas. Any suggestions?

    TIA
    Terry com




  2. #2
    Don
    Guest

    Re: Gas Milage went South on 98 STS


    "The car has not had an engine tune up for over 100,000 miles."

    Don
    2001 Deville DHS built by Yugo.


    "TG" <com> wrote in message
    newsalinacquisition... 



  3. #3
    Blue
    Guest

    Re: Gas Milage went South on 98 STS

    On Dec 17, 5:15*am, "Don Schmidt" <Don Retired_1987>
    wrote: 

    I would check the air cleaner - could be that simple.


 

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