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Gas milage

This is a discussion on Gas milage within the Firebird / WS6 forums, part of the Vehicle Specific category; Originally Posted by screaminbird Hey im not complaining its a trans am its worth EVERY penny. exactly! im glad i ...

  1. #21
    LS1 chosen son lemons12's Avatar
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    Quote Originally Posted by screaminbird View Post
    Hey im not complaining its a trans am its worth EVERY penny.
    exactly! im glad i get bad gas mileage.. if i didnt i would be slow... bad gas mileage means your fast, and i like fast.. therefor i like bad gas mileage...

  2. #22
    Senior Member INMY01TA's Avatar
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    Quote Originally Posted by Black 98 formula ws6 View Post
    I have a 2000 ws6 trans am, and the gas milage is only around low 20's. It has 3 inch exhaust and a slp lid. But i have another 98 ws6 and it gets high 20's. The car runs excellent, nothing wrong at all with runing or driving. Has 65,000 miles. Any idea's?
    sounds normal to me.

  3. #23
    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by JoshieDoom View Post
    <--- best I had was 25.5. 98s FTW!
    With headers, lid, and catback mine got 31MPG on the highway.


    Now it gets 20 on the highway, and around 15-17 in town.



    I don't really care...as long as it runs good, gas mileage makes no difference to me in the T/A.
    2008 Trailblazer SS
    Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
    Lowered, HID's, tinted.

    1999 Pontiac Trans Am WS.6 #1747 SOLD
    531.1 RWHP 481.3 FT/Pounds all motor.

  4. #24
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    2000 T/A WS6

    I have a bone stock 00 WS6, six speed, and I DRIVE it. In town anywhere between 14 and 18 mpg. Straight highway driving I get between 24 and 29 mpg. Sounds like you are doing pretty good to me if all you do is rural roads and in town.

  5. #25
    R/A T/A SS/CETA's Avatar
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    2002 Pontiac Trans Am CE

    I get 20 in the city and 28 on the highway. 3" exhaust and TransGo. Stock gears on A4.

  6. #26
    Member NJ2002WS.6's Avatar
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    Metallic Pewter
    2002 Trans Am WS.6

    I am getting between 250-275 miles per tank until the gas light comes on. I am really concerned because I do strictly highway miles, which equals to about 18-20 mpg highway. I have a Corsa catback and a SLP lid. Is there something wrong with my car? How many miles can your TA's go per tank?

  7. #27
    Member Aetos's Avatar
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    I get 140-150 a tank mixed highway/city driving... yea something is wrong with my car. I've done a full tune up(sparks,plugs,fuel filter, pcv valve, change one 02(yes, one 02, my socket doesn't fit on the drivers side,lol). The car still pulls strong. Its completely stock except for a borla exhaust.

  8. #28
    Member 1998 T/A's Avatar
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    in the city i get 14 if im lucky and about 23 on the highway

  9. #29
    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am

    weird...everyone is telling you their gas mileage.....try fuel filter..also might be time to change your air filter, o2 sensors..and clean your MAF sensor also.

  10. #30
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    Quote Originally Posted by shady milkman View Post
    weird...everyone is telling you their gas mileage.....try fuel filter..also might be time to change your air filter, o2 sensors..and clean your MAF sensor also.
    Good advice there.

    Now with that being said. I got 29mpg from here to Saratoga Springs, NY.

  11. #31
    Army of 1 wooddaniel's Avatar
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    Quote Originally Posted by NJ2002WS.6 View Post
    I am getting between 250-275 miles per tank until the gas light comes on. I am really concerned because I do strictly highway miles, which equals to about 18-20 mpg highway. I have a Corsa catback and a SLP lid. Is there something wrong with my car? How many miles can your TA's go per tank?
    Check your alignment and tire pressure if you havent done so already

  12. #32
    LS1 chosen son lemons12's Avatar
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    Quote Originally Posted by TempleU_WS6 View Post
    Good advice there.

    Now with that being said. I got 29mpg from here to Saratoga Springs, NY.

  13. #33
    Member cuzimoto's Avatar
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    Last two tanks both averaged 18.3mpg, mixed driving. Last tank included 4 1/4 mile passes at PSCA, burn outs and cruising the pits. 99 M6, TR224, LT, lid, pullys, free mods, 3.73 rear and 150 wet kit. 11.46 @ 122.

  14. #34
    Skint Back 99formulals1's Avatar
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    thicker oil in rear end and engine, dirty air filter, tire pressure, larger tires or wheels if there not the same in the two cars, or your driving the new one a little harder to see what its got?? could be a lot of small things. one driven on a warm day and the other on a colder. just my thoughts.

  15. #35
    Slowass SUX!!
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    went to atlanta from Cincinnati ...got 25mpg all the way down there.....M6 have borla exhaust cats hooker headers....pretty good i think
    Last edited by 2001ws6; 11-23-2008 at 11:19 PM.

  16. #36
    War Machine BIG GUNS's Avatar
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    Well, my T/A does about 19 city and 22 highway under "normal" driving. Of course, I can't resist the occasional squeeze every now and then.

    At the track, I normally average about 2.75mpg providing I get about 6-9 runs.

  17. #37
    Senior Member Too Fast's Avatar
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    I think maybe your front O2 sensors may be skewed. You said you replaced one O2 sensor? Was it the upstream? Also, like others have said, could be a dirty MAF sensor. I would clean this and change my O2 sensors before changing plugs, wires or fuel filter.

  18. #38
    Member NJ2002WS.6's Avatar
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    That is possible. I know my check engine light was on, and they said that it was an o2 sensor. The light went off, so I haven't been worrying about it. If the light goes off, would the sensor still be bad?

  19. #39
    Skint Back 99formulals1's Avatar
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    Quote Originally Posted by NJ2002WS.6 View Post
    That is possible. I know my check engine light was on, and they said that it was an o2 sensor. The light went off, so I haven't been worrying about it. If the light goes off, would the sensor still be bad?
    yep

  20. #40
    Senior Member Too Fast's Avatar
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    Could still be skewed. Not a total failure, but skewed. You should change both upstream O2 sensors when you do. The downstream O2 sensors are only for catalytic converter efficiency, not air/fuel ratio.

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