Gas milage way down - FirebirdV6.com/CamaroV6.com Message Board

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  • Gas milage way down

    I have noticed a huge decrease in my gas milage lately. I used to be able to go 325-340 miles on a full tank of gas but now I am only getting about 275 on a full tank of gas.
    I recently had the fuel filter changed about a month ago and a new battery replaced the day after christmas. I am not driving any differently than I have been.
    Any ideas what this could be caused by or how to get better fuel milage?

    Thanks
    98 Firebird 3.8l A4<br />Yeah.... It\'s a chick\'s car<br /><a href=\"http://www.cardomain.com/memberpage/577098\" target=\"_blank\">http://www.cardomain.com/memberpage/577098</a> <br />car\'s best time: 15.27 @ 88.77<br />AIM: Firebirdchick98

  • #2
    o2 sensors, air filter, plugs.

    run some injector cleaner through it? seafoam it?

    check tire pressure? alignment?
    -1999 Camaro Coupe 3800 Series II V6 A4 - SOLD<br />-1998 Pontiac Grand Prix GTP coupe

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    • #3
      clogged cat maybe

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