| 2002 540 i dtcs The following dtcs showed up this am. multiple cylinder misfire-cyls 1,3,7,2 misfire.mixture control idle 1-4 & 5-8.The past month i have replaced crankcase vent valve-coils and plugs-both pre-cat o2 sensors-fuel filter-both camshaft sensors and cleaned maf.Anyone have any ideas ? |