It is the car running too rich. or the car is using more gas than air.
your car leaked oil into the combustion chamber. blue smoke= burnt oil, the loss of power is from inproper combustion
Blowing black smoke is indicative of an oil leak in the engine.
Your car seems to be getting too much fuel, is it computer controlled?
its farting
Black smoke is a symptom of an overly rich fuel/air mixture.
loss of power after,or with black smoke , indicates the turbo has quit.
its a diesel, you will see black smoke alot.
You can stop your 7.3L from blowing black smoke by verifying that it is burning fuel cleanly and make sure the fuel mix is not too rich. You can also verify that it is not burning any oil.
why do u want it to stop blowing smoke man! blowing smoke is awsome and manly, and show power! be proud that your blowing smoke!
Black smoke from an engine is caused by unburnt fuel.
Black smoke indicates a rich fuel mixture (over fueling). This can be caused by many different problems.
No I don't think you should. It doesn't sound safe to me if I were you.