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black smog
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  1. Diesel Diagnostics
    I have a 2005 F250 and it has been a great truck. We just hit 100,000 miles and it started jerking and blowing black smog every time it would jerk. it would do this for a bit but after continuing to drive it would stop and drive fine. (Probably not the smartest thing to do!:doh:) Now it dies...
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