What is the cause of the P0343 fault code in the Excelle?

[LeMichael]

Fault causes: Check if the engine oil is severely contaminated; whether there is a fault with the camshaft position sensor and its wiring; whether there is a fault with components such as the timing belt; whether there is a fault with the vehicle's computer. The methods to address the P0343 fault code are as follows: 1. Fault causes: The reasons for camshaft position sensor failure include faults in the camshaft position sensor wiring, faults in the electronic control module, etc. In such cases, the fault code will appear. 2. Check if all components are functioning normally: Do not rush to replace the sensor after the fault code appears. First, it is necessary to confirm whether the timing system is installed correctly, observe if there is any tooth skipping in the timing system, check if the control components of the variable timing system are working normally, whether the actuator is stuck or malfunctioning, and whether there is any breakage or misalignment in the fit between the timing belt gear and the shaft. 3. Whether to replace the sensor: If all the above checks are intact, then consider replacing the sensor. After replacement, do not forget to clear the fault code.