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Wartsila’s User Group Forums 50 SG Engine Raw NOx from engine Reply To: Raw NOx from engine

#2144
Jeremy Saar
Participant

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.