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Hi,
My RCZ (1.6 THP 155 from 2013) failed the emission test. The CO value was way too high. Lambda was perfect. Oil consumption is - in my opinion - ok for almost 150.000 km and is approx. 0,3 l / 1000 km. I changed the converter (and yes, it is a used part since I'm a cheap guy). The CO value...