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Block ignition coil has an built-in ignition module, usually 2, 4 or 6 ignition coils that control multiple spark plugs through the ignition lead without the need for a distributor. The ignition module adopts advanced chips, a car ignition coil with stable quality and accurate signal. Key Features of Block Ignition Coils ignition coil block with stable quality. ignition coil block with accurate signal. How Do You Test Block Ignition Coils？ Block ignition coils have types for one outlet, two-outlet, four-outlet or six-outlet. When the twin-cylinder block ignition coils fail, it will cause two or four cylinders to not work (take a four-cylinder engine as an example), which manifests as the engine cannot be started or is difficult to start, idling stalls, and poor acceleration.

If you need any kinds of car ignition parts, please contact us, as a professional auto spare parts supplier, MAPMS is willing to offer you high quality products.