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Old 05-26-2011, 05:30 AM
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Caprimaniac Caprimaniac is offline
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Join Date: Sep 2006
Location: Skjetten, No
Cobra Make, Engine: Unfortunataly ; none
Posts: 333
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My guess is the soot comes on when idling. Turn the idle screws on those cylinders 1/2 turn in and see what happens.

The AFR numbers looks OK, but would be 1000 times more helpful if taken from each cylinder!
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