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1999 to 2003 7.3L Power Stroke Diesel
7.3L Power Stroke Diesel equipped Super Duty and Excursion.

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Old Sat, October 30th, 2010, 01:05 AM
epowers777 epowers777 is offline
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Would a bad ipr cause bad fuel mileage? I went on a trip and got 18 mpg with a fuel leak. I fixed the fuel leak and drive to work and back then I got 13mpg. I have a new one coming maybe so hopefully I can fix it!
Thanks
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Old Mon, November 1st, 2010, 02:39 PM
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How are you calculating mileage? Overhead display or by hand?
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Old Tue, November 2nd, 2010, 01:07 PM
epowers777 epowers777 is offline
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By hand I fill the tank full till you can see the fuel.
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Old Sun, November 7th, 2010, 01:29 AM
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Dang, you should put the fuel leak back. :yikes:

The IPR can have an effect on fuel economy, but I'd suspect that you'd notice some pretty severe performance issues as well. Do you have any way to observe ICP and see if it's dropped off? That would be a pretty sure way to tell if there is a problem.

Let me know.
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Old Mon, November 8th, 2010, 02:16 AM
epowers777 epowers777 is offline
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I have tried to minitor my truck before and none of the readers worked. I still have that idle issue. I just bought a car cause this month i put 600 hundred in the tank.
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