Just got the latest updated recall for ECM program. Had the original in the spring but it was cancelled due to causing A/C related problems. Got an appointment for early Jan/18 to get this done.
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I would suspect a fuel mapping change and ox logic to enrichen fuel to reduce NOX content from catalyst (nitrogen oxide from too lean fuel mix),, that what this 2096 Post Cat lean been all along, change name for new program (they free to call it the Humpty Dance if the want to)..What changes is it supposed to do?
Mistra;5532049...Seems a bit peppier than before...[/QUOTE said:Just got this done 8 March. Was in for brake recall and dealer advised me of the T1R ECM update while there.
Purchased in Dec'16, recall notice forwarded from Hyundai.
Later that day found info on a Campaign# TXXA - Clock spring update/upgrade, all may want to check with their dealer.
Take it out and drive it like you and 2 friends stole it.. oil condensate in bottom of intake over time via PCV system puddle up oil deep enough that it eventually become a "BIG GULP".... hence the large flume of oil smoke.. Bury the pedal once in while to vacuum out the intake of liquid oil once in a whileI had the same issue my exhaust lasted most of the way home. I am nervous to keep driving it, but you say you haven't had any problems since...?