1999 - 2003 7.3L Power Stroke Diesel

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May 10, 2015 | 05:02 PM

#1

dld63

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I have a 99 F 250 7.3. It runs fine at idle even for a long time. When I drive around the block a couple of times it will start chugging and lose power and shut off. I have been mixing fryer oil with the diesel. I changed the fuel filter, oil change, crank sensor and fuel pump. I added 15 gallons of diesel and diesel treatment. Pulled fuel filter and bowel is full I'm not sure where to look next.

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Old

May 11, 2015 | 10:17 AM

#2

Pikachu

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Joined: Jun 2004

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From: Amarillo, TEXAS!

You should probably put a fuel pressure gauge on it and see what it does at wide open throttle, under load.

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