What Impact Will a Faulty Camshaft Position Sensor Cause?

1 Answers
LaFrancisco
07/30/25 5:38am
The impacts caused by a faulty camshaft position sensor include: 1. After the camshaft position sensor fails, the ECU cannot detect changes in the camshaft's position, affecting the intake and exhaust system's air intake and exhaust volume, thereby impacting engine performance; 2. A faulty camshaft position sensor causes the computer to spray fuel disorderly, resulting in increased fuel consumption, misfires, and inability to reach higher RPMs; 3. The camshaft position sensor determines the ignition sequence. If it fails, it causes ignition issues, making the engine difficult to start. The function of the camshaft position sensor in a vehicle is to collect the position signal of the valve camshaft and input it to the ECU, enabling the ECU to identify the top dead center of cylinder 1 compression for sequential fuel injection control, ignition timing control, and knock control. The camshaft position sensor is a sensing device, also known as a synchronization signal sensor. It serves as a cylinder identification and positioning device, inputting the camshaft position signal to the ECU, and is the main control signal for ignition control.
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