What Causes the Car's Warning Light to Illuminate and the Engine to Shake?

1 Answers
Adriel
07/29/25 4:11pm
The reasons for the car's warning light illuminating and the engine shaking are: 1. Poor combustion of the engine's air-fuel mixture; 2. Substandard fuel quality; 3. Malfunction in the operation of spark plugs, high-voltage wires, and ignition coils; 4. Internal short circuit in the fuel pump, preventing normal supply of low-pressure fuel; 5. Air leakage in the engine's intake system; 6. Excessive dirt on the throttle or carbon buildup in the fuel injectors; 7. Aging of engine components. The solutions for the car's engine warning light illuminating and the engine shaking are: 1. Check the operation of spark plugs, high-voltage wires, and ignition coils; 2. Clean engine carbon deposits, throttle, replace oil pads and spark plugs; 3. Visit a 4S shop to check the fuel supply pressure and whether the intake pressure sensor is functioning normally.
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