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Old 08-19-2012, 06:20 PM   #1 (permalink)
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Default check engine light!

My check engine light came on the other day and I finally checked it today. I just took a picture instead of remembering what it says.

Can anybody tell me anything about this error and if it possible to fix it myself or if I need to bring it to a dealer.
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Old 08-19-2012, 06:39 PM   #2 (permalink)
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Any problems with the gas gauge?
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Old 08-19-2012, 06:46 PM   #3 (permalink)
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Originally Posted by mt_goat View Post
Any problems with the gas gauge?
Ohhh yeah that thing is nuts. Almost never accurate and sometimes just moves to empty right before my eyes. It hasn't been right since I got the car.
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Old 08-19-2012, 07:02 PM   #4 (permalink)
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That's the great thing about OBDII, your car tells you where it hurts.

I'd start with checking the wiring going to the sensor since that will liking be easier to get to than the sensor itself.
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Old 08-19-2012, 07:28 PM   #5 (permalink)
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Quote:
Originally Posted by mt_goat View Post
That's the great thing about OBDII, your car tells you where it hurts.

I'd start with checking the wiring going to the sensor since that will liking be easier to get to than the sensor itself.
And do you have any idea where this wiring would be?
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Old 08-19-2012, 07:37 PM   #6 (permalink)
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No idea, sorry. I'd start with the FSM. I'd guess the sensor is in the gas tank. Has the fuel pump been replaced?
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Old 08-19-2012, 08:07 PM   #7 (permalink)
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Quote:
Originally Posted by xMattsraff View Post
Ohhh yeah that thing is nuts. Almost never accurate and sometimes just moves to empty right before my eyes. It hasn't been right since I got the car.
Actually that could be the "standard" behavior on the Taurus. There is some "order" to these gauge movements. If a car has been driving on a level surface for some time, the gauge should be at the "correct" position. When the car is driving downhill for some time, the gauge moves up. If the car is has been driving uphill (or was parked facing uphill), then the gauge will move down. On level position marks are separated by about 3 gallons. If gauge is at the top mark, the gas tank is full. The next mark, about 13, followed by 10, 7, and 4 gallons. The lowest mark corresponds to roughly 4 gallons. When the gauge hits that position, the gas light comes on and stays on. Unfortunately, the behavior means that if say you have 7 gallons and drive uphill for some time, the gauge will go down to the 4 gallon mark, and the gas light comes up and usually stays on even when car is driving on a level surface. If you observe something different, then there could be a problem.
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Old 08-19-2012, 09:12 PM   #8 (permalink)
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Wait.... do you have the 'u' code engine or the '2' code engine? 8th place in your VIN.

If you have the '2' code engine, you have the flex fuel Vulcan. Those engines are known to have a faulty module behind the radio. It does something with measuring the ethanol versus gasoline or something: Fuel Gauge Erratic - 2000 Flex Fuel 3.0
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Old 08-19-2012, 09:18 PM   #9 (permalink)
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Is your car flex fuel? It might be the flex fuel module.

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Old 08-19-2012, 09:26 PM   #10 (permalink)
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Happened to me last summer when I ran out of gas.

Code P0462 was set after filling up.

Cleared the code and it never came back.

Some Ford sites suggested replacing the sending unit was the cure, simply clearing code did the trick for me.

Never set any codes before or since.
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