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Running Rough

899 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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i have a 2002 f350 7.3 it runs rough randomly then it will fix itself engine comes on when it does it and then shuts off when its fine imy scanner pulls no codes with the light on i brought it and had it check with a better scanner and it was an IDM code i pulled the IDM out and it looks bran new and ideas anyone please?
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