fuel issues, I think

1993 FORD F-250
113,000 MILES
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ANDY1067
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My truck will run perfectly with good smooth uninterrupted clean power for about 4 miles. Then blue smoke from the exhaust, power reduction, sputtering, until eventual shut down. If I release the fuel filter drain for a second (which makes a suction release sound) drain a little fuel, maybe a tablespoon. It runs perfectly for about 4 more miles. Process repeats. I have changed filter, cleaned fuel, and tanks, no luck...help
Apr 28, 2012 at 2:57 PM
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ASEMASTER6371
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you are drawing air from somewhere. you need to test the lines from the pump or filter to the tanks.
I assume this is a diesel??

Roy
Apr 28, 2012 at 3:03 PM