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fuel tank replacement

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Old Oct 19, 2017 | 03:35 PM
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fuel tank replacement
Can I drive my F250 after upgrading from 25 to 50 tank size. The garage cant find anyone to upgrade the computer but I need the truck prior to him findiing someone.
 
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Old Oct 19, 2017 | 07:00 PM
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As long as it starts it is picking up gas and should be fine, the fuel level will be off so don't trust the gas gauge.
 
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Old Oct 20, 2017 | 09:33 AM
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25 > 50
Many thanks... The garage refereed to resetting the gauges as "flashing". Would a regular Ford service shop do this?
 
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Old Oct 20, 2017 | 07:05 PM
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Do you have a diesel or gas? Didn't think the 6.2 was available with a 25 gallon tank. If you have a diesel, you may get more responses asking in the 6.7 section. I don't know if a larger replacement tank is available for us 6.2 owners.
 
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Old Oct 20, 2017 | 09:39 PM
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Thanks for the heads up. Yes that's a 6.7D did not know there was a separate section. Hit the "flasher " guy to modify the cpu - works pretty good. Next problem is finding a gas station that does not have a $100 cap on credit card purchase 🤔😂
 
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Old Oct 22, 2017 | 06:11 PM
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Thread moved from 6.2 gasser land.
 
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Old Oct 22, 2017 | 07:19 PM
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The tank size only pertains to the Distance to Empty calculations. It does not affect the operation of the truck and you can drive it till you reset the tank size. The dealer can do it or you can buy a Bluetooth or WI-Fi Adapter for the OBDII port and do it yourself with FORScan.

see this thread for more info...

https://www.ford-trucks.com/forums/1...lt-data-6.html

You can get other options to reprogram from this spreadsheet.

https://docs.google.com/spreadsheets...AtI/edit#gid=0
 
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Old Oct 22, 2017 | 07:21 PM
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Originally Posted by brent1511
Thanks for the heads up. Yes that's a 6.7D did not know there was a separate section. Hit the "flasher " guy to modify the cpu - works pretty good. Next problem is finding a gas station that does not have a $100 cap on credit card purchase 🤔😂
Hit the "Pay inside" button. Usually you can fill the truck without the credit card $75 or $100 limit stopping the pump.
 
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Old Oct 22, 2017 | 10:53 PM
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Forscan will allow you to do it for way cheaper than a dealership. There’s a TON of info on it.
 
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