Question about 2001 Ford F350 Super Duty SuperCab

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Blue smoke from 7.3

When I drive 45 to 50 mph and let off the accel. pedel,to let the truck slow down, blue smoke will start coming out the tail pipe. Then when I step on the pedal after slowing down 10 to15 mph,a large cloud of blue smoke comes out and gradually fade until I until I let up on it. On highway runs,it only does it when I slow down for off ramps or stop signs.The truck has 95100 miles on it,gets regular service,oil,filters,gear lube change,air filter,transmission oil and filter, grease.

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  • white ford Oct 11, 2008

    PLEASE EXPLAIN WHAT YOU THINK COULD BE WRONG WITH THE HEADS.

  • white ford Oct 12, 2008

    can anyone explain what a back flow tube is and back flow pressure sensor is and where it is located on a 7.3 p.s.ford engine?

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  • Master
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Probably the oil rings on the pistons but might be one of the heads , not good either way

Posted on Oct 09, 2008

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Posted on Jan 02, 2017

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