Wartsila’s User Group › Forums › 50 SG Engine › Raw NOx from engine › Reply To: Raw NOx from engine
September 26, 2019 at 8:45 pm
#2144
Inactive
There might be charge air pressure fluctuations or wastegate movement. Fluctuations is the waste gate will cause significant nox spikes. I have also seen faulty sensors cause a short and make the engine load fluctuate a few percent up and down and during those swings the nox will fluctuate that much.