What Causes the Sudden Illumination of the Warning Light and Insufficient Power?

[StFelix]

The reasons for the sudden illumination of the warning light and insufficient power are as follows: Intake System: There is an air leakage fault in the intake system. Low Pressure: The fuel supply pressure in the system is too low, the ignition voltage is too low, or the ignition timing is too late. Small Clearance: The cylinder pressure is too low or the valve clearance is too small, the throttle position sensor is not working properly, or there is an ECU fault. The diagnostic and troubleshooting methods are as follows: Check the Intake System: Inspect the intake system for any signs of air leakage. Check the High-Voltage Spark Condition: Verify whether the ignition advance angle is normal, check the fuel supply pressure of the system, and ensure the throttle position sensor is functioning correctly.