Aux Fuel Tank - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 06-28-2011, 09:24 PM Thread Starter
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Aux Fuel Tank

I have recently bought a 2011 F350 CCLB. I installed an aux fuel tank with a gravity feed into the filler neck. I am wondering if there will be any codes thrown if I leave the valve between the two tanks open? I have been told that this might throw a code due to the computer not seeing the fuel gauge moving when it should be. I did not have this trouble with my other truck and would certainly like to leave the valve open while pulling my 5er instead of opening the valve when we stop along the road.

Will it throw a code?

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post #2 of 3 Old 06-28-2011, 10:31 PM
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I have the same system, it will not throw a code as it is transfering fuel from one tank to the other. It is the same as filling the truck while idling at a pump.

Driving: 2011 Pale Adobe...F-350 CC 6.7 FX4 3:55-Locking Rear End-Dual Alternators-premium Lariat, moon rf, added wheel flares, 2-tone black base

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post #3 of 3 Old 06-29-2011, 05:45 AM Thread Starter
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Quote:
Originally Posted by richc22a View Post
I have the same system, it will not throw a code as it is transfering fuel from one tank to the other. It is the same as filling the truck while idling at a pump.
Thank you Sir!!! That is the information I have been searching for. With as many miles as you have on your rig, it surely would have thrown a code if it was going to. I have been afraid to leave the valve open for fear of it throwing a code and putting the truck into limp mode while I was on a desolate stretch of road, and I have been across a few of these.

01 LWB CC SRW 4x4 7.3 auto
Stage II's,HPX, In tank and pre-pump mods,regulated return
AFE stage II,Garrett BB Turbo,4" turbo back, ITP overboost annihilator, 10 pos. DP Tuner,
Motor and tranny rebuilt. forged rods,Mahle pistons, all balanced, new valves,Comp 910's,C/M P-rods,ARP Studs , homemade AIH delete kit, twin TRU-Cool tranny coolers,Ride-Rite air bags B-D X-Monitor
Don't worry about the Mule, just load the wagon.
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