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Old 11-15-2012, 06:50 PM
timarnold timarnold is offline
TA
Location: Maryland
 
Join Date: Sep 2009
Posts: 886
Mein Auto: 2003 bmw 525i 2005 X3
Actually, no it doesn't make sense. Could he have said CVV valve? (Crankcase Ventilation Valve). While that is not connected to the O2 sensors, it could among many other things activate the Service Engine light.
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