Hi all... heres the deal I just changed the cam on my 00 silverado 5.3. I putt new lifters valve ssprins push rods oil pump water pump head gaskets all that good crap...put the truck back together but it has a bad miss fire on idle and im getting those codes I changed spark plug cyl #1 bought a new one changed wire from cyl 1 to 3 and nothing truck was running perfect before changed parts please any help would be great it feels like it's running good past 1500 rpm thanks guys...