Hi new to site been askin on loads of forums and bot gettin much comeback so tryin on here got a b18c4 converted ej9 problem started after degreasingand rising engine off started running lumpy missing if u like got it home spark plug port soaked in water dryer em out run spot on for 5 mine then started running like it was missing again then intermittent running fine then lumpy later than nite ended up cutting out gt it started again running very ruff n died again now won't start turns overy but not even a splutter got a good spark frim all ht leads n plugs got fuel got intake suckin air n combustion but no bang and diagnostics wont read anything cos off engine swap with mapped ecu stuck for ideas thanx in advanced