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post #1 of 30 Old 11-26-2007, 03:40 PM Thread Starter
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losing fuel like cazy

Ok I have had a clamity of problems. I put 4 in exhaust on a 5 days ago since I have lost my altainator. Now I just ran down to the depot and I am losing fuel like crazy any thought or help please
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post #2 of 30 Old 11-26-2007, 03:44 PM
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ive never heard of an exhaust taking out an alt. but i guess its possible.
your fuel leak might be on the backside of the fuel bowl. theres 2 orings on the drain valve that can loose the seal, fuel will run down thru the drain tube in front of the front axle (if its hooked up right)

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05 f350 crew, longbed, 4x4, 68k, lariat


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post #3 of 30 Old 11-26-2007, 03:48 PM Thread Starter
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there is a slot on the back of the bellhousing where the transmission and i am losing fuel out there also. I found that drain where the water separator comes out of. Also I don't see how the alt would be related so t doubt that it is but i am just fustrated. if you know what i mean.
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post #4 of 30 Old 11-26-2007, 03:56 PM
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Yeah you probobly have fuel in the valley of the motor between the heads and that is where it will end up. There are very few places for the fuel to leak from. Plumbing consists of a feed line from the fuel pump. There are two small lines running to the heads and the return line from the top of the filter. The most probable cause is the O rings in the fuel drain

2002 F-250 4x4 EC, SRW, SB
Auto 93,000 miles
DP Tuner F5
ATS Compressor and 1.0 Exhaust housing high flow back plate
Turbo Back 4" Silverline Exhaust Mbrp Muffler Delete
Isspro Trans,Pyro,Boost Triple Pod
Fumoto Oil Drain Valve
AIH Delete With Boost Fitting

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post #5 of 30 Old 11-26-2007, 04:02 PM Thread Starter
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i am a postive person but man this is killing me. any how thanks a ton for the imput do i need to wory about the fuel in that valley. So there is nothing wrong with the fuel comming out those transmissin slots. Also i am have whooshing sound now an a loss of power. Any thoughts
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post #6 of 30 Old 11-26-2007, 04:04 PM
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Fuel leak

Did you in any way damage the fuel line that runs to the head right under the down pipe?
post #7 of 30 Old 11-26-2007, 04:08 PM
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You have a fuel leak somewhere so in that regard the fuel in the valley you should be worried about. Here is a writeup with pics for the valve orings. Separator Valve Rebuild Find the leak and wipe up the fuel in the valley. Best not to drive around like that. Also you hissing sound and lack of power could be your exhaust back pressure valve sticking.

2002 F-250 4x4 EC, SRW, SB
Auto 93,000 miles
DP Tuner F5
ATS Compressor and 1.0 Exhaust housing high flow back plate
Turbo Back 4" Silverline Exhaust Mbrp Muffler Delete
Isspro Trans,Pyro,Boost Triple Pod
Fumoto Oil Drain Valve
AIH Delete With Boost Fitting

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post #8 of 30 Old 11-26-2007, 04:10 PM Thread Starter
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no becuse I ran two day's with out any problems I did get towed when the altinator went out he towed it from the rear and since then I noticed the leak but is was just a drip out of that over flow I asumed that it was just from being towed but now it is just pouring out. I did play with the valve an I did check the fuel filter that how the fuel got in the valley between the heads.
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post #9 of 30 Old 11-26-2007, 04:13 PM
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Its possible since you used the valve the orings are leaking. Click on the link in my previous post seperator valve rebuild and will show you how to change them out

2002 F-250 4x4 EC, SRW, SB
Auto 93,000 miles
DP Tuner F5
ATS Compressor and 1.0 Exhaust housing high flow back plate
Turbo Back 4" Silverline Exhaust Mbrp Muffler Delete
Isspro Trans,Pyro,Boost Triple Pod
Fumoto Oil Drain Valve
AIH Delete With Boost Fitting

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post #10 of 30 Old 11-26-2007, 04:20 PM Thread Starter
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I will check that out I was thinking about just taking it to the dealership becuse of fustration. How do i check the exhast back pressure valve
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