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Gas Gauge light

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Old 07-04-2009, 08:10 AM
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Default Gas Gauge light

Okay, I'm guilty!!!! I've only filled my gas tank twice since April 9! I really need to drive this car more!! Anyway, quick question: My gas gauge light came on at the quarter mark towards empty. How many gallons are still in the tank once the light comes on?

Monty
 
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Old 07-04-2009, 08:33 AM
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Default Re: Gas Gauge light

Hey there Mr. Burns, according to my PDF of the owners manual - "
Low Fuel Warning Light
When the fuel level drops to about 2 gallons (7.5
liters), this symbol will light and remains lit until
fuel is added."
 
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Old 07-04-2009, 12:47 PM
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Default Re: Gas Gauge light

Thanks, Small Fry Cruiser. I appreciate your XF wisdom!

Happy 4th!

Monty
 
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Old 07-04-2009, 01:04 PM
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Default Re: Gas Gauge light

It however should not go on at 1/4 tank. The reason I say this that recently, mine has flashed on and off and I have 3/4 tank. If I turn it off and back on, it goes away. Any ideas?
 
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Old 07-04-2009, 02:14 PM
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Default Re: Gas Gauge light

Originally Posted by FP
It however should not go on at 1/4 tank. The reason I say this that recently, mine has flashed on and off and I have 3/4 tank. If I turn it off and back on, it goes away. Any ideas?
I think it is all that black and chrome!

Check the sending unit wires or the ground on the tank. Dont know if you can get to them easy on a coupe.
 
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Old 07-04-2009, 02:39 PM
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Default Re: Gas Gauge light

Originally Posted by crossfirefun
I think it is all that black and chrome!

Check the sending unit wires or the ground on the tank. Dont know if you can get to them easy on a coupe.
I have a roadster, remember?
 
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Old 07-04-2009, 07:29 PM
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Default Re: Gas Gauge light

Originally Posted by FP
I have a roadster, remember?
Yes, that was for future members while searching for the same problem if it works.
 
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Old 07-07-2009, 09:00 PM
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Default Re: Gas Gauge light

Originally Posted by Mr. Burns
Okay, I'm guilty!!!! I've only filled my gas tank twice since April 9! I really need to drive this car more!! Anyway, quick question: My gas gauge light came on at the quarter mark towards empty. How many gallons are still in the tank once the light comes on?

Monty
As stated in other posts the light should not be on at 1/4 tank full. Testing these systems is a pain in the ar$e so you live with it, fix it yourself or have it fixed.
Doing it yourself requires a reasonably good multimeter that can measure fractions of volts and ohms. The multimeter is good for checking many circuits, and can save you money in the long run.
Check the sending unit by stripping out the trunk lining and the cover over the gas tank. Check the terminals on the connector for fit, corrosion or damage. If you are really adventurous you can take out the unit, it unscrews about 1/3 a turn I think. When it's out you can test the unit as the shop manual says on page 14-12 of the 2004 Shop Manual.
Warning, if you are feeling a bit frustrated having a cigarette is not a good idea at this time.
Check the fuel gauge as outlined on page 8J-8 of the manual.
Additives in the fuel have been known to cause problems with sending units in the past, but not lately. Contaminated fuel is another possibility that can cause problems. Leaving the tank partially empty for long periods can cause corrosion due to moisture, not so likely in a sealed system though.
 
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Old 07-08-2009, 05:20 AM
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Default Re: Gas Gauge light

Low Fuel Warning Light
When the fuel level drops to about 2 gallons (7.5
liters), this symbol will light and remains lit until
fuel is added."

How many miles roughly does this equate to before the car will splutter to a halt....??
 
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Old 07-08-2009, 08:18 AM
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Default Re: Gas Gauge light

The way I drive, about 40 to 50 miles. But, by the way some of the others talk - about 25 miles
 
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Old 07-08-2009, 09:23 AM
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Default Re: Gas Gauge light

Originally Posted by Marsizzler
Low Fuel Warning Light





When the fuel level drops to about 2 gallons (7.5

liters), this symbol will light and remains lit until fuel is added."


How many miles roughly does this equate to before the car will splutter to a halt....??
I see two options here,

1, Keep driving and then let us know how many miles you managed to go.
or
2, Get to the nearest gas station and fill up.

I think option #2 is the best one.
 
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Old 07-08-2009, 06:20 PM
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Default Re: Gas Gauge light

My gas tank goes from compleatly full to gas light on almost every time. I have driven 55 kilometers (34 miles) with the gas light on many occasions with no signs of sputtering or anything.
 
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