Ignition Coil Replacement Cost
A failed ignition coil can be the result of failures elsewhere in the ignition system. The ignition wires and spark plugs should be inspected and replaced if necessary.
Oil or coolant leaks can damage ignition coils—the leaks need to be repaired along with the ignition coil.
Failing ignition coils can cause the engine to run roughly or a lack of power upon acceleration.The Check Engine Light will often flash when the engine is misfiring—continuing to drive under these conditions can damage the catalytic converter.