engine misfire, #6 cy. had 1468 misfires #[...] 764 #1,3,7,and 8 had 1 to 30. it will not idle set rpms to 1500 to 2000 it runs. plugs are dusty black put new ones in and run engine for about 3 mins. plugs looked like the old ones. no dtc john Login to read more.