In these cases, the ignition coil may be degraded or broken. The engine speed does not increase when accelerating. The engine is difficult to start. The engine check lamp (MIL) is on. In an internal combustion engine that uses a spark plug, a high voltage of 20,000 to 35,000V is required to discharge in the combustion chamber during the compression stroke. The ignition coil is a type of transformer that converts the 12V battery voltage into the high voltage required to discharge the spark plug. Model year: 10/2008 - 8/2014. Before purchasing, please check the part number to make sure it ...