Rep Power: 0

My 2005 civic seized the water pump and then popped a timing belt so I rebuilt everything… it has new valves, head gasket , timing belt , water pump , tensioner , new coil packs , new grounds , new plugs etc…. The car starts fine and runs fine but it idles very rough and the check engine lite comes on and tells me I have multiple misfires ??? It runs great at speed , just stutters and shakes in idle and more noticeable in reverse ??? What do I need to do to it ? It was sitting for about 2 months before I got to it. Any help would be appreciated

 
Rep Power: 367

retrace work done.
vacuum, leaks?

 
Rep Power: 222

What brand are the coils and plugs?