<PRE>I HAVE A 306 DT (1997) WHEN THE ENGINE IS UNDER PRESURE IT BLOWS OUT LOTS
OF
BLACK SMOKE, MORE THAN IT SHOULD DO AND ALSO IT DOES ABOUT 35 MPG ANY IDEAS
WHATS WRONG? IT HAS ONLY DONE 32000 MILES AND IS WELL SERVICED, EG NOT THE
AIR CLEANER.