100% ORIGINAL PROTON PREVE EXORA OXYGEN SENSOR/EXHAUST SENSOR ORIGINAL PW812665

What is Oxygen Sensor?
The O2 sensor is mounted in the exhaust manifold to monitor how much unburned oxygen is in the exhaust as the exhaust exits the engine. Monitoring oxygen levels in the exhaust is a way of gauging the fuel mixture. It tells the computer if the fuel mixture is burning rich (less oxygen) or lean (more oxygen).

What happens to a car when the o2 sensor goes bad?
Vehicle engines that have a bad oxygen sensor often run irregularly or roughly. Oxygen sensors can control or contribute to many different engine functions, including fuel/air mixture, engine timing and engine combustion intervals. A faulty oxygen sensor can disrupt any of these things and cause a rough engine idle. The Check Engine Light will illuminate if you have a bad or failing oxygen sensor.

Car applications:
PROTON EXORA BOLD 2012y~
PROTON PREVE 2012y~
PROTON SUPRIMA 2013y~

Product Detail: 4pin wire socket, threaddiameter 18.0mm, 150g

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