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Making the world better, one answer at a time. Coil springs typically last up to twenty five years. In fact, they are known to outlive the life of an average car. Coil springs typically last up to twenty five years. In fact, they are known to outlive the life of an average car.
How to Test for a Faulty Coil. A quick way to test for a faulty coil is to allow the vehicle for run for about 30 minutes and then gently rap the module with the head of a screwdriver. If the car engine dies, this is a good indicator that the ignition coil is faulty and needs to be replaced.