Mechanics

FORD RANGER AIR FILTER PROBLEM

2003 Ford Ranger • 98,000 miles

4x4 2.5 diesel excessive black smoke, soot on floor when standing still, no noticable loss of power, may clear
after 20 or so miles. Have renewed air filter, checked pipes turbo to manifold. Butterfly valve seems to be very active at inlet mnifold. Any suggstions please?
thanks Dave.W
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December 13, 2012.



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