What are the faults in the ignition system?

1 Answers
IsabelleFitz
07/30/25 3:37am
Faults in the ignition system: 1. Heavy muffler noise, high engine coolant temperature, and weak vehicle performance are mainly caused by delayed ignition. The solution is to adjust the ignition angle to the specified value. 2. Easy stalling and severe engine knocking sound during acceleration are due to inaccurate ignition timing adjustment or incorrect ignition angle assembly. The solution is to connect an ignition tester and adjust the ignition advance angle to the specified value. 3. Spark plug carbon deposits and oil contamination. Carbon deposits occur when the insulator tip, electrode, and spark plug shell are covered with a thick layer of black-gray powdery soft dirt. Oil contamination happens when the insulator tip, electrode, and spark plug shell are covered with engine oil. The solution is to regularly inspect and clean carbon deposits or oil contamination promptly.
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