The engine is the heart of your car, which is responsible for the smooth running of your car. There are several components inside the engine, which contribute to the performance of the engine. The piston rings are one such component that is responsible for the oil pressure and the amount of oil consumed by the engine. However. At times the piston rings may encounter faults leading to their malfunctioning. There are certain symptoms exhibited by the car when the piston rings fail. The slide will give you the details about the common symptoms associated with bad piston rings.