1. Could be faulty oxygen sensor that screws up your air-fuel ratio readings.
2. If you have replacement ECU or piggy-back installed and you have put in new tuning bits, could be the settings/mappings need to be checked
<a href="http://www.zerotohundred.com/newforums/automotive-news/159107-nismo-s-tune-latio-tiida-body-kit-concept.html"><img border="0" src="http://www.zerotohundred.com/news/may/nismo_latio/banner.jpg" width="250" height="75" alt="Nismo Latio"></a><p><b>Nismo S-Tune Latio</b></p><p>Since the Nissan Latio was launched here yesterday, The Nismo S-Tune Latio will become very relevant to what will fill up the roads very soon. Just like how the Mugen's tricked out City's and TRD's Vioses did...
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