srtjesse DOHC 2gn:
I'm running a full 2.4 engine on my 04 off the stock ngc ecu with no issues at all so you will be fine

2004 white dodge neon 2.4 DOHC swapped
2004 red dodge neon srt-4 gone
2000 flat black plymouth neon 2.0 DOHC swapped gone
2002 silver dodge neon parts car R.I.P
2000 green dodge neon parts car R.I.P