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6.4L Power Stroke Diesel Engine fitted to 2008 - 2010 F250, F350 and F450 pickup trucks and F350 + Cab Chassis

Extra fuel tank

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Old Oct 11, 2008 | 02:19 PM
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Extra fuel tank

Just had an extra fuel tank/tool box put in the bed of my '08 F250. The shop that sold it to me said that I could only transfer fuel while the truck is shut down because the additional fuel coming into the tank while underway would mess with the fuel computer and shut down the engine.

Has anyone had this happen or is this guy blowing smoke?

Wawhoss
 
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Old Oct 12, 2008 | 08:58 AM
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My truck came with A 98 gal. transfer flow tank and it transfers fuel while driving with no problems. It's for sale now.
 
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Old Oct 15, 2008 | 04:51 PM
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The truck or the tank?
 
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Old Oct 15, 2008 | 08:03 PM
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The tank is for sale $600
 
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Old Oct 16, 2008 | 11:09 AM
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I have read where other people have had the computer go crazy when adding fuel while the truck is running. The computer is trying to figure out mileage but the fuel level is not dropping while the mileage is adding up. Seems reasonable to me. Clear as mud.
 
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Old Oct 16, 2008 | 12:03 PM
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Originally Posted by 69cj
I have read where other people have had the computer go crazy when adding fuel while the truck is running. The computer is trying to figure out mileage but the fuel level is not dropping while the mileage is adding up. Seems reasonable to me. Clear as mud.
Mileage is not calculated based on the fuel level in the tank. It is calculated on the flow going to the engine. I have left my truck running many times while fueling and never seen anything out of the ordinary. The miles to empty is basically just a guage that reads in miles rather than volume and it will go up or down with the fuel level and has no problem with fuel rising while the truck is running.
 
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Old Oct 16, 2008 | 01:18 PM
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Before I took the tank out I ran it for about 1000 miles and had no problems.
 
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Old Oct 16, 2008 | 05:12 PM
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Originally Posted by F250Wheels
The tank is for sale $600
Is this your advert?
98 GAL. INBED TANK
 
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