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Running Rough

902 Views 4 Replies 4 Participants Last post by  tinman13kup
I have a 1999 F-250 7.3 Diesel Crew Cab 4 x 4 Automatic. It has 467,000 miles on it and it runs like a top unless I let the fuel go below 1/4. When it ever gets down to 1/8 of a tank of fuel it acts like the engine is about to blow. It shakes vibrates and runs very bad. It actually makes you think that the engine has blown a piston or something. If I keep it over 1/4 it runs excellent. Has anyone experienced this with their truck? I thought I drained the fuel tank once and got rid of bad fuel but it must be something else.

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Fuel pick up is clogged and sucking air when it drops that low, or the pick up foot fell off and its allowing it to suck air. I used to run out at a 1/4 tank before I did my itp in tank kit.the foot had fallen off
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