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

#2147
JoelRuen1
Participant

We have 34’s but noticed when we had alot of raw nox when the waste gate on one of the engines was out of whack.  We recently we to the bridge type spark plugs and the raw nox inlet droped 30-50 ppm.  It was enough that we retested for our air permit due to using too little urea (not able to make our minimum 4.2 gal/hr over 3 hours).