Today, the engine control unit (ECU) needs to monitor the exact position of the crankshaft and the camshaft (or camshafts) at all times.
The ECU cannot accurately calculate ignition timing and VVT parameters without knowing precisely where the crankshaft and camshaft both are at any given moment. These sensors are critical to ensuring maximum efficiency, power and torque during all operating conditions.
So, what happens when these sensors start to fail, or fail completely?
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