What Causes Longer Ignition Time?
2 Answers
Reasons for longer ignition time: 1. Spark plug issues: At this time, it is necessary to check the spark plug gap and carbon buildup. If the spark plug gap is large and there is carbon buildup at the electrodes, it may reduce the spark plug's energy. Especially during cold starts, abnormal conditions in the cylinder and low temperature and pressure of the air-fuel mixture during compression can cause ignition difficulties, resulting in longer ignition time. 2. Cylinder leakage: This can lead to insufficient cylinder pressure, preventing the air-fuel mixture in the cylinder from fully combusting, reducing engine power, making ignition difficult, and resulting in longer ignition time. 3. Substandard fuel quality: The fuel may contain many impurities. When the engine is running, components such as the fuel pump filter, gasoline filter, and fuel injector, which serve filtering functions, can easily become clogged by impurities in the fuel, causing poor fuel supply, reducing engine performance, and leading to longer ignition time. 4. Weak car battery: A weak battery can reduce the actual fuel injection volume and weaken ignition energy, both of which may make the engine harder to start, causing ignition difficulties and longer starting time.
Previously, my car also started slower, which made me a bit anxious. The main reasons are usually battery aging or insufficient charge, which prevents the starter motor from turning fast enough. Worn internal contacts in the starter can also affect efficiency. Another issue is carbon buildup or aging of the spark plugs, causing delayed ignition. Problems in the fuel system, such as insufficient fuel pump pressure or clogged filters, can also prolong the starting time. Loose or corroded wiring connections increase resistance, preventing current from flowing properly, and this worsens in cold weather due to reduced battery performance. I recommend first checking the battery voltage and cleaning the terminal connections. If that doesn’t help, replace the spark plugs. Preventive measures include regular maintenance and avoiding prolonged exposure to extreme cold—saving money, hassle, and ensuring safety. Remember to seek repairs as soon as any abnormalities are noticed.
