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m4gician
Veteran CEG'er

Reged: 06/05/06
Posts: 504
Loc: Toronto (Woodbridge)
GAS TANK NEEDLE IS A LIAR!!!
#1280035 - 07/17/06 05:39 AM

That gas tank needle of mine, lies to me and decieves me so often. Everyone knows that the tank of a mystique (possibly a contour as well) is a 50L tank, so therefore under normal conditions you expect about 450 to 500ish KM of mileage from your duratec. Well, when the needle is at half the tank, you'd expect to get maybe double of what the trip meter is (assuming you reset it after each fill up like me), actually you're only looking at getting the last 10 to 12.5L of gas back in useage. Because if on a low gas light, I put $20 or 20L of gas at 99.9L, it gives me more than half a tank on the needle. (LOL this last paragraph is a grammatical nightmare )

Anyway my point and question here is, is there ANYWAY to get the needle to be more accurate. I mean after 150 to 200KM or about anywhere from 10 to 20L of useage, the needle still reads and hovers around the full mark so I mean it's quite deceptive because guessing the efficiency of the engine and going by the trip meter is not really that accurate considering all the variables in fuel economy.

Do the rest of you guys ever notice that? Because I want the needle to be a little more accurate, is it a fuel sensor I have to change? If you guys know, or can comment on this, that'd be well appreciated.

--------------------
1998 Mercury Mystique LS

- Looking for SVT EXHAUST, SVT Rear bumper (silver frost) and ANY rocker mouldings (side skirts)

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Tour_Racer00
Hard-core CEG'er

Reged: 03/28/04
Posts: 1578
Loc: Rochester, MN
Re: GAS TANK NEEDLE IS A LIAR!!! new
#1280038 (Re: m4gician) 07/17/06 05:49 AM

My needle gets kicked into overdrive after it passes the half way mark also, doesn't bother me much I fill whenever I need to anyway. I average about 23 MPG

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Alex
00 T-Red/Tan SVTC
#1964/2150
167 HP @6800
153 TQ @3000

Sold-
98 'Tour SE 24V 5-spd
149 HP @5900
148 LB FT @4300

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Rouar
Hard-core CEG'er

Reged: 03/19/01
Posts: 7431
Loc: Somerville, MA
Re: GAS TANK NEEDLE IS A LIAR!!! new
#1280063 (Re: Tour_Racer00) 07/17/06 09:45 AM

I reset the trip meter and rely on that to determine how much gas I've got left (in whatever car I use).

The Contour's indicator is weird due simply to the shape of the gas tank. My indicator would read "full" for nearly 100 miles, then drop down to 1/4 tank during the next 100 miles, and remain between 1/4 tank and E for the last 100 miles (I generally got a little less than 300 miles before filling up again).

After getting used to this scenario for a while, you can imagine how panicked I felt when buying my Probe GT in 2002 and it read 3/4 tank with only 75 miles driven!

--------------------
Matthew
2000 Nissan Maxima SE
Sold: 98.5 Contour SE V6 ATX

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TBoomer
Hard-core CEG'er

Reged: 01/02/02
Posts: 1939
Loc: Kansas City, MO
Re: GAS TANK NEEDLE IS A LIAR!!! new
#1280064 (Re: m4gician) 07/17/06 09:46 AM

It is due to the shape of the gas tank. The float will hit full, even when there is a gallon or 2 above that in raised areas of the tank. I don't figure the needle is accurate until after 1/2 tank. I generally know within 4-5 miles when the "Hey, get gas!" light will come on.

Cliffs notes: Not a damn thing you can do about it.

--------------------
2000 Silver Frost SVT
# 1637/2150
D.O.B. 01/14/2000


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98SVTC
CEG'er

Reged: 12/17/01
Posts: 460
Loc: Rowland Heights, Ca.
Re: GAS TANK NEEDLE IS A LIAR!!! new
#1280131 (Re: m4gician) 07/17/06 02:08 PM

I usually fill it up when the needle says a quarter tank. By then I've gone around 235 - 270 miles. It usually takes about 8 gallons when I do this so I know I could go farther. I just don't like to run the tank down and muck up the filters or run the risk of burning out a fuel pump.
Karl

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*** It's all about consistency! ***
*** Previously 88SVT ***

06 F150 Supercrew 5.4L FX4
98 SVT Contour #4362 Born 1/6/1998
86 Ranger GT (For Sale)
69 Fiat 850 Sport Spider (For Sale)
67 Formula-S Barracuda

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SVT3Rivieres
Veteran CEG'er

Reged: 08/31/05
Posts: 785
Loc: Trois-Rivieres, Quebec
Re: GAS TANK NEEDLE IS A LIAR!!! new
#1280148 (Re: 98SVTC) 07/17/06 02:40 PM

for my experience most of the car get stuck on full for a while before downfalling quickly

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1998.5 Toreador Red/Midnight Blue Contour SVT - #5912/6535 - DOB - 05/11/1998 -
RU-3530/CTA Intake Pipe
MSDS Heaser/Y-Pipe
Magnaflow #10435
9mm Ford racing
SPEC Stage one/Spec Alum. Flywheel
HERE

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Big Daddy Kane
Hard-core CEG'er

Reged: 07/22/03
Posts: 3816
Loc: Ramstein AB, Germany
Re: GAS TANK NEEDLE IS A LIAR!!! new
#1280205 (Re: SVT3Rivieres) 07/17/06 04:00 PM

Only things you could do is make the tank the symmetrical or get a fuel cell and add a good aftermarket sender/gauge.

...Which is way too much for a small annoyance. Just learn how the guage works in your car and follow it.

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Goin' Round Traffic Circles @ 50Km/h!!!
\m/ -- 1998 E0 SVT #2119 of 6535
\m/ -- 2003 Sentra SE-R Spec V

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B.Brattina
Veteran CEG'er

Reged: 08/14/04
Posts: 680
Loc: Northville/Kalamazoo; Michigan
Re: GAS TANK NEEDLE IS A LIAR!!! new
#1280229 (Re: Big Daddy Kane) 07/17/06 04:40 PM

mine goes up and down every 30 seconds haha-- it's obnoxious

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Black '99 CSVT #741 of 2760

Magnaflow:Knauberized:Mirko:Tinted25%:FogMod:B&G SportSprings:IndigloHvac/Headlight

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IRingTwyce
Hard-core CEG'er

Reged: 07/01/03
Posts: 1882
Loc: Graham, TX
Re: GAS TANK NEEDLE IS A LIAR!!! new
#1280237 (Re: B.Brattina) 07/17/06 05:00 PM

Originally posted by B.Brattina:
mine goes up and down every 30 seconds haha-- it's obnoxious




Then learn how to drive a stick so you're not jackrabbiting.

--------------------
BrApple-its all in the way it is presented...but everythign on my resume is all me
TexasRealtor-I hope you spelling improves on your resume.
MxRacer-ladies and gentlemen, welcome to ironyville. population, texasrelator.

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European
CEG'er

Reged: 06/04/06
Posts: 82
Loc: Eastern Toronto, Canada
Re: GAS TANK NEEDLE IS A LIAR!!! new
#1280270 (Re: IRingTwyce) 07/17/06 05:46 PM

SPEAKING OF LOW FUEL LIGHT, is there a fuse or something for this? any reason why i dont have one that lights up when low on fuel? Is there some ding ding ding bell or something that i do not have working? In regards to the fuel line, yes, its a [censored], but its a deceptive comfort when at like 150 km its still at full, haha oh well, i guess you can see the glass half full from full take to 1/2 tank and half empty from 1/2 tank to empty. Good ol contour. I just wish i could drive mine now, oh well, brake failure does that to a contour. Oh well.

--------------------
-JD. 1996/V6/LX. Killer Bass, & A Few Other Mods.



Edited by European (07/17/06 05:48 PM)

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