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Old 02-02-2011, 05:03 AM
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Fuel System

Hello fellow PSD.org members,

I am looking for some info and hopefully some insight.

The situation: I got home this morning from work and i could smell diesel so i looked under my truck and there is a puddle underneath my truck. It is coming from the passenger side. The best i can tell (right now its still dark outside so i cant see very well) none of the connections coming out of the fuel bowl were leaking. but when i crawled up underneath on the passenger side there is a stainless line that looks broken near the exhaust manifold. I can't tell where it is going to but i did notice some liquid dripping out of it. Is this a pressure bleed off? Sorry if i sound ignorant i have never done any fuel system work except the basics like filters. I also think i have diesel in the valley of my motor so im not totally convinced the leak isn't up top. I can take some pictures if that help. What are some common problems and where should i look first? Also, does anyone know where i can find a schematic of the fuel system? Thank you for your help
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Old 02-02-2011, 05:26 AM
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I have been reading some other threads about fuel leaks and it seems people describing the same thing i am seeing are being told its most likely the drain valve that is leaking? Is this a good place to start?
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Old 02-02-2011, 05:28 AM
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On the back of the fuel bowl the Orings on the water drain tend to leak.
I also had a problem with the fuel line that goes from the fuel bowl to the back of the pass. side head. A bracket tends to rub a hole in the SS hard line and leaks but mine wasn't bad. There is no fuel line on the pass side near the exhaust manifold. That is probably the exhaust back pressure sensor tube (I think). Fuel lines are on the driver side from the tank to pump to fuel bowl.
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Old 02-03-2011, 02:57 PM
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Quote:
Originally Posted by jesilvas View Post
On the back of the fuel bowl the Orings on the water drain tend to leak.
I also had a problem with the fuel line that goes from the fuel bowl to the back of the pass. side head. A bracket tends to rub a hole in the SS hard line and leaks but mine wasn't bad. There is no fuel line on the pass side near the exhaust manifold. That is probably the exhaust back pressure sensor tube (I think). Fuel lines are on the driver side from the tank to pump to fuel bowl.
Thanks for the help. I got a kit from the dealership. Took 20 minutes to do and fixed my problem.
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