What are the common faults in a car's ignition system?

[StLandon]

Common faults in a car's ignition system: 1. Spark plug failure: phenomena such as carbon deposits, oil contamination, and overheating on spark plugs; 2. Delayed ignition: heavy muffler noise, carburetor backfire during rapid acceleration, high engine coolant temperature, and weak vehicle performance; 3. Advanced ignition timing: unstable idle operation, prone to stalling, and severe engine knocking sound during acceleration. The car ignition system includes the power source (battery or generator), ignition coil, distributor, spark plugs, ignition switch, and control circuit. The car ignition system is designed for spark-ignition engines to operate normally by providing high-voltage electricity with sufficient energy to the spark plugs in the correct firing order for each cylinder, enabling the spark plugs to generate strong enough sparks to ignite the combustible air-fuel mixture.