Jeep Grand Cherokee WK2 wirh Ecodiesel. 370 000 km on the clock and running strong. Just did a basic oil and filter change + 2 fuel filters. Petro Canada Duron UHP 10W-40 full synthetic out and same stuff in. Fram Tough Guard. Also added BG 245 diesel Fuel system cleaner. OCI was 10 000 km this...