The Positive Crankcase Ventilation (PCV) valve is a vehicle component that emerged in the 1960s out of the need to tackle the problem of blow-by gasses generated by a vehicle's engine. Interestingly, the introduction of the PCV valve coincided with the period in which the production of Minis began. Hence, Minis were one of those vehicles with PVC valves as a component right from the start. The PCV valve is essential in your Mini. Without it, you will fail emissions tests because this valve removes otherwise toxic and harmful gases from the engine. Notwithstanding Mini’s reliable and sturdy design, they are still susceptible to wear and tear after a long period of use, including the PCV Valve. Hence, drivers must closely monitor their vehicle’s for any damage that might affect the PCV Valve. Why is Your Mini's PCV valve failing? Some of the major factors that may cause your PCV valve failure include: Constant Use Like other vehicle [...]