x20xev not running

[dgbnova#1]

Hi fitted this engine and its running intermittent running yesterday not today I think it's wired ok so now think it's A faulty switch or coil etc any info on what to test and how I have a multi tester and I'm just stuck any helpful advice welcome

How do you wire in ecu light?

[Rich]

Is it getting fuel pressure to the rail? Got a spark?

[dgbnova#1]

Yep fuel at rail and spark from all plugs but plugs dry in engine so thinking injectors not opening its not the tidyest wireing had a wres joined etc but running last night and other day also then this morning nothin