#teknofied P0011 is a generic OBDII code. This means that it has the same definition for the Hyundai Tucson and Elantra as it does on any other vehicle. VVT changes the frequency and distribution of gases entering and exiting the combustion chamber. It allows the engine to act as though it has different camshaft profiles at different RPM's.
The CVVT (Continuously Variable Valve Timing) system is installed to the chain sprocket of the exhaust camshaft. There is no variation in valve timing of the exhaust cam because the exhaust camshaft is driven by the timing belt. The timing of the intake cam is varied by the relative operation the CVVT vane to the housing. The CVVT controller regulates the intake camshaft angle using oil pressure through the OCV (Oil Control Valve). As result, the relative position between the camshaft and the crankshaft becomes optimal, and the engine torque improves, fuel economy improves, exhaust emissions decrease by changing the valve open/close timing of the intake camshaft.
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