for determination. Want to be my mechanic ... 
PLEASE Help.
Thread Starter
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Elder User
Joined: Aug 2006
Posts: 674
Likes: 0
From: KC, MO
Fletch
Your WVO system has electric pump.
You are using the oem filter setup and fuel pump for #2 fuel?
Yes it goes through the lift pump and fuel filter. The switch port b/w vegge and diesel is just before the fuel filter. the Racor 2 micron filter is in the bed of the truck with the 100 gal. tank.
Is your WVO low pressure? The WVO is low (10-15 psi) being pushed into the lift pump.I would like to see how the fuel system
is plumbed. Is the WVO being pushed into the oem pump?
In OBS WVO systems you really have to toss the mech pump. How would it fail at one point and then run for a while?
It might have just caught up with you after 15K
This needs to be looked into.
"Really hard to open fuel filter. When I do air blasts out and feels like it is building lots of pressure. Could this be a problem and lead to mine?"
Tj
Do you think a CC test will help show below?
It could show a damaged nozzle or gasket allowing combustion past the o-ring into the fuel system.
Just a wag.
Bill
Your WVO system has electric pump.
You are using the oem filter setup and fuel pump for #2 fuel?
Yes it goes through the lift pump and fuel filter. The switch port b/w vegge and diesel is just before the fuel filter. the Racor 2 micron filter is in the bed of the truck with the 100 gal. tank.
Is your WVO low pressure? The WVO is low (10-15 psi) being pushed into the lift pump.I would like to see how the fuel system
is plumbed. Is the WVO being pushed into the oem pump?
In OBS WVO systems you really have to toss the mech pump. How would it fail at one point and then run for a while?
It might have just caught up with you after 15K
This needs to be looked into.
"Really hard to open fuel filter. When I do air blasts out and feels like it is building lots of pressure. Could this be a problem and lead to mine?"
Tj
Do you think a CC test will help show below?
It could show a damaged nozzle or gasket allowing combustion past the o-ring into the fuel system.
Just a wag.
Bill
Thanks guys for all your input. It is helping. I am going crazy, but becoming more knowledgeable about powerstrokes at the same time.
Postmaster
Joined: Sep 2007
Posts: 4,195
Likes: 6
From: Medford Oregon
That was my thought a while back but without the pluming diagram it is hard to tell. One key for me was when the battery's were at or over 14 volts the truck smooth out at idle.
Postmaster
Joined: Feb 2004
Posts: 3,266
Likes: 0
From: Levittown
A= #2 fuel
B= WVO and pump.
With the valve he will have the return lines to the right tank.
With this setup it will back wash (purge unused fuel) from tank to tank
after the valve at changeover.
The oem pump cannot be pulling threw the electric pump.
I believe its possible to have clogged the return line to the #2 fuel tank,
but the motor should still run.
I think the answer will be found in why the fuel filter has excessive pressure in it.
Bill
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Thread Starter
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Elder User
Joined: Aug 2006
Posts: 674
Likes: 0
From: KC, MO
Madvan, I think you are right on the #2 lines clogged.
It is a 6way switch port b/w the diesel and WVO.
Right before this happened I lost my electric fuel pump for a about 50 miles (didn't know it). Then got home switched to diesel and started up and went on my way till about 4 min after I switched to WVO.
That was the first time.
Then the second time I ran on diesel for about 15 miles and I then switched over and about 4 min later it started acting up and then quit on me and I had to be towed home.
4 min. is roughly how long it takes to burn through the fuel in the bowl and the pump. The switch port b/w WVO and #2 is right before the low side lift pump.
It is a 6way switch port b/w the diesel and WVO.
Right before this happened I lost my electric fuel pump for a about 50 miles (didn't know it). Then got home switched to diesel and started up and went on my way till about 4 min after I switched to WVO.
That was the first time.
Then the second time I ran on diesel for about 15 miles and I then switched over and about 4 min later it started acting up and then quit on me and I had to be towed home.
4 min. is roughly how long it takes to burn through the fuel in the bowl and the pump. The switch port b/w WVO and #2 is right before the low side lift pump.
Thread Starter
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Elder User
Joined: Aug 2006
Posts: 674
Likes: 0
From: KC, MO
I can't give you a diagram, but the flow is like this.
WVO: Tank in bed of truck - racor 2 micron filter - Elec. 10 psi pump- plumbed to engine bay - 6 way switch port - Lift pump in valley - filter in valley.
So I am thinking that too much wvo has been returned to the diesel tanks and I need to drop my tanks and pull off the filter on the pickup in the tank and put and in-line filter outside of each tank.
BUt first tomorrow I need to get the fuel bowl and assembly in. Are there any special instructions for this job? It seems pretty simple to me.
Also while I am in there I am going to pull the IPR and check the rings. but it runs like it used to on veggie.
The tranny shifts at odd points some times but before all this I thought that was a electronic problem and in the future was going to get a TW chip to fix it.
Thanks again for the support guys.
WVO: Tank in bed of truck - racor 2 micron filter - Elec. 10 psi pump- plumbed to engine bay - 6 way switch port - Lift pump in valley - filter in valley.
So I am thinking that too much wvo has been returned to the diesel tanks and I need to drop my tanks and pull off the filter on the pickup in the tank and put and in-line filter outside of each tank.
BUt first tomorrow I need to get the fuel bowl and assembly in. Are there any special instructions for this job? It seems pretty simple to me.
Also while I am in there I am going to pull the IPR and check the rings. but it runs like it used to on veggie.
The tranny shifts at odd points some times but before all this I thought that was a electronic problem and in the future was going to get a TW chip to fix it.
Thanks again for the support guys.
Thread Starter
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Elder User
Joined: Aug 2006
Posts: 674
Likes: 0
From: KC, MO
Oh forgot, the WVO doesn't return to the WVO tank. It is a closed loop and so the only thing it returns to is itself to keep it hotter ( according to the Golden Fuel systems).
So the only return lines are the diesel lines. So a little bit of WVO gets into the #2 tank.
They said this wouldn't be a problem since it is only a little bit but maybe it is becoming my problem.
So the only return lines are the diesel lines. So a little bit of WVO gets into the #2 tank.
They said this wouldn't be a problem since it is only a little bit but maybe it is becoming my problem.
Postmaster
Joined: Feb 2004
Posts: 3,266
Likes: 0
From: Levittown
The poor running motor can effect the trans.
Maybe just disconnect the fuel lines at the quick connects
or the 6way valve and blow the lines back to the tank. See how it runs after.
Might save you some time from dropping the tank on a wag.
Bill
Maybe just disconnect the fuel lines at the quick connects
or the 6way valve and blow the lines back to the tank. See how it runs after.
Might save you some time from dropping the tank on a wag.
Bill
