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Ignition coils are a crucial component of your car’s engine. They convert the low voltage from the battery into the high voltage needed to ignite the spark plugs and start the engine. Regular maintenance and timely replacement of ignition coils are essential for the smooth operation of your vehicle. In this article, we’ll explore the maintenance and replacement cycle of ignition coils, as well as provide a selection guide. Maintenance of Ignition Coils Regular Inspection:Visual Inspection: Regularly check the ignition coils for any cracks, corrosion, or burn marks on their surface. Resistance Check: Use a multimeter to check the primary and secondary resistance of the ignition coils, ensuring they fall within the specified range. Keep Clean:Clean Connection Points: Periodically clean the connection points between the ignition coils and spark plugs to prevent dirt or oil buildup that could impair ignition. Avoid Moisture: Ensure the area around the ignition coils remains dry to prevent short circuits or damage caused by moisture. Check Cables and Connectors:Inspect Cable Integrity: Make sure the cables connecting to the ignition coils are free from wear or damage. Secure Connectors: Regularly check and tighten the connectors of the ignition coils to avoid loose connections. Replacement Cycle of Ignition Coils The replacement cycle of ignition coils generally ranges from 50,000 to 100,000 kilometers, depending on vehicle usage and the quality of the ignition coils. Here are some common signs indicating it’s time to replace your ignition coils: Engine Check Light: A malfunctioning ignition coil can trigger the engine check light, indicating a need for inspection and possible replacement. Engine Misfire: If the engine misfires or runs roughly, especially during idle or acceleration, it could be a sign of faulty ignition coils. Increased Fuel Consumption: A defective ignition coil can cause incomplete combustion