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Uneven gas mileage. by Vlad
Started on: 01-23-2001 01:10 AM
Replies: 6
Last post by: Tina on 01-23-2001 06:08 PM
Vlad
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Report this Post01-23-2001 01:10 AM Click Here to See the Profile for VladClick Here to visit Vlad's HomePageSend a Private Message to VladDirect Link to This Post
Well......

My GT never had a great gas mileage, but now something seems to be wrong.
It generally comes to 15-18 mpg, but fuel consumption is sort of uneven.
Sometimes I make on first 1/3 of the tank about 100 km (which is good), but the rest goes like creasy and I can hardly make another 100 km. Or sometimes, the situation just an opposite.
No codes.

Any advise would be highly appreciated.

85 GT Auto

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Indiana_resto_guy
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Report this Post01-23-2001 01:50 AM Click Here to See the Profile for Indiana_resto_guySend a Private Message to Indiana_resto_guyDirect Link to This Post
200 miles to the tank for an auto is just about the norm. I don't rely on what the gauge says very much, I just know the range. My V-6 autos get around 18 MPG.
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Vlad
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Report this Post01-23-2001 02:03 AM Click Here to See the Profile for VladClick Here to visit Vlad's HomePageSend a Private Message to VladDirect Link to This Post
Sorry, but those are km, not miles.

200 km about 145 miles.

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Standard
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Report this Post01-23-2001 04:15 AM Click Here to See the Profile for StandardClick Here to visit Standard's HomePageSend a Private Message to StandardDirect Link to This Post
Well, the Fiero's gas gauge was never the most accurate thing in the world...

I'd give your car a quick tune up (plugs, dist. cap, wires, etc) and run a bottle of fuel system cleaner/carbon remover through there. I'm averaging about 20mpg with my 86 GT 5 speed, but my gas gauge doesn't work..

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fierojunky
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Report this Post01-23-2001 12:16 PM Click Here to See the Profile for fierojunkySend a Private Message to fierojunkyDirect Link to This Post
i have an 87SE with a 2.8 auto i don't trust my gas gauge. I also set my trip meter. i get between 180-200 miles a fillup depending on how hard im running it
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Standard
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Report this Post01-23-2001 01:12 PM Click Here to See the Profile for StandardClick Here to visit Standard's HomePageSend a Private Message to StandardDirect Link to This Post
I usually fill mine up at 150, 'cause I'm just paranoid. Don't like running out of gas, either
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Tina
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Report this Post01-23-2001 06:08 PM Click Here to See the Profile for TinaSend a Private Message to TinaDirect Link to This Post
I must have one of the few Fiero's with a working Gauge.
Drive it right down to E.
Hey Standard, how's this for gasmilage
Hwy 10 Foley to Hanson = half a tank
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