Exaust leak?
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New User
Joined: Jan 2007
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Exaust leak?
Hello, Im new here and have already learned alot, Im sure this has been addressed many times before but, I believe I have a leak, on the passenger side if you crack the window the smell will burn your eyes, if you stick your head under the wheel well you can smell it, the engine noise is slightley louder on the pass. side as well, I will be doing a better visual inspection tomorrow, what do you guys think the most common problem is? I also wasnt impressed with my mpg , around 14/interstate 2300rpm........my piece is a 99.5 350 crew/dually 4x4
Elder User
Joined: Sep 2006
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From: ARIZONA
hummm, dually must have 4.10 or 4.30 gears which would hurt the mileage on stock tires, which is probably why your seeing 2300 rpm on the interstate with 14 mpg. what was you average speed at 2300 rpm;;;;;;;;;;;, as for your leak, could be a couple items, i would be under there looking for black sutt on an area from the turbo down. maybe a loose collector or flange.
Elder User
Joined: Nov 2005
Posts: 796
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From: North Idaho
Could be the up pipes to the turbo. Mine is doing the same thing, but when I turn the fan on high, it sucks the exhaust into the cab. Here is some of the cuurent discussion on the topic-https://www.ford-trucks.com/forums/5...placement.html
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New User
Joined: Jan 2007
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Originally Posted by bigtorque
hummm, dually must have 4.10 or 4.30 gears which would hurt the mileage on stock tires, which is probably why your seeing 2300 rpm on the interstate with 14 mpg. what was you average speed at 2300 rpm;;;;;;;;;;;, as for your leak, could be a couple items, i would be under there looking for black sutt on an area from the turbo down. maybe a loose collector or flange.
Post Fiend
Joined: Jun 2006
Posts: 9,714
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From: White Mnt's,New Hampshire
your exhaust leak could be the tude from the front of the manifold to the EBPS..it is on the pasenger side..it could be cracked..i had the same problem last year and thats what i found..
