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A Sensor which detects the amount of Nox in the exhaust system. Oxygen Sensor. To 03/07/2016. Nitrogen Oxide (). Oxygen. Nitrogen Oxide (NOx) SensorOxygen Sensor
2011-12, EXHAUST INJECTION, front. 2013-16, EXHAUST REDUCTION. Oxygen Sensor - Repair or ReplaceA failed Oxygen Sensor will often have no noticeable symptoms beyond a check engine light, but it does cause your 2011 Audi A5 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Audi genuine parts.
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