ENGINE LACKS POWER ,TOOK MY FILTER OFF MY TRANSIT 2.4 DURATORQ 90PS AND NOTICED IT WAS ONLY 1/4 FULL, CLEANED AND CHECKED IT REFILLED FILTER COMPLETELY WITH DIESEL FITTED IT STARTED STRAIGHT AWAY RAN FOR 10 MINS SWITCHED OFF ENGINE TOOK OFF FILTER SAME THING DIESEL IN FILTER ONLY 1/4 FULL. CAN ANY ONE EXPLAIN WHY THIS IS HAPPENING..
