What are the symptoms of a faulty camshaft sensor?

1 Answers
AmirMarie
07/30/25 5:49am
The symptoms of a faulty camshaft sensor are: 1. Difficulty in ignition, making the engine hard to start; 2. Difficulty in accelerating when the car is hot or the engine may stall directly; 3. Increased fuel consumption, lack of power, inability to accelerate properly, and continuous shaking while driving. The function of the camshaft position sensor is to collect the position signal of the valve camshaft and input it into the ECU, enabling the ECU to identify the top dead center of cylinder compression for sequential fuel injection control, ignition timing control, and knock control. The camshaft sensor position signal is also used to identify the first ignition timing when the engine starts, determining which cylinder piston is about to reach the top dead center, hence it is also known as the cylinder identification sensor.
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