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Fuel gauge was wrong

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Old May 14, 2004 | 12:29 AM
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Question Fuel gauge was wrong

When I filled my f-250 38 gallon tank it only registered 1/2 full. Two hours later it showed full. (gas v10). Is this worth mentioning to the dealer?

If the gauge was not reading correctly could it be possible the sending unit is bad? and isn't this part and parcel of the in tank fuel pump?

 
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Old May 14, 2004 | 12:44 AM
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I heard of many SD's doing this. I would take it back to the stealership and have them repair it. Do search and you'll find quite a few threads on this very same subject with some good info
 
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Old May 14, 2004 | 03:20 AM
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I noticed on my last SD, 99' PSD ,if I left it running while fueling it up,,the gauge took along time to register,,but if it was shut off,,like normal,,when I started it,,all was fine,,!

Was it running when you gassed it up..??

Later,,,,,,,,,,,Mark
 
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Old May 14, 2004 | 11:30 AM
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Fuel Level Less Than Indicated by Fuel Gauge:
Some F-Series and Excursions built between 12-1-02 and 4-14-03 may exhibit an inaccurate fuel level reading after refueling. In most ases this is caused by refueling with the ignition in the on or accessory position. The fuel gauge should eventually reinitialize on its own, but it can also be reinitialized by disconnecting the batteries. If the gauge dose not reinitialize, then the fuel level system should be diagnosed.
Broadcast Message 0926
 
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Old May 14, 2004 | 04:29 PM
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The same thing has happened to me. I notice that it only happens if the tank fall below the 1/2 mark. Contrary to above, on each occasion my ignition switch was off. It generally takes about an hour for the gauge to reach full.

2004 f250 XLT RC FX4, V10 auto, 3.73LS
Bright Red/ Flint Int
 
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Old May 14, 2004 | 06:19 PM
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My truck has done it about 3 times and I always shut it off when I fuel up. But it hasn't done it in a long time, and it always registered correctly after a little while driving so I didn't worry too much about it.
 
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Old May 14, 2004 | 11:35 PM
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It happened to me when i turned the ignition switch to accessory, to reset the odometer. It corrected itself the next time i started the engine.
 
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Old May 15, 2004 | 09:13 AM
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Originally Posted by 3/4ER
It happened to me when i turned the ignition switch to accessory, to reset the odometer. It corrected itself the next time i started the engine.
You made me remember, I tried to reset mine on accessory-but I think I had to go to "on" in order to get the dash to come to life and I was below half when I fueled.

 
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Old May 15, 2004 | 09:17 AM
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It is amazing to me how much info I have received from other owners in such a short period of time. The info has been right on the money. Thanks to all who have replied.
 
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