Ignition coils make it possible for spark plugs to generate the sparks that ignite air-fuel mixture that powers the internal combustion engine. Ignition coils transform low voltage from the car battery into high voltage that spark plugs require to generate the sparks. Over time, ignition coils may fail. When the ignition coil starts to fail, you may notice a number of behaviors that are not typical for your vehicle. You may notice that the check engine light came “on”, or that there is loss of power, or slow acceleration. Engine may run poorly, it may misfire, or it may even stall. These are all symptoms that indicate something is seriously wrong – but it takes a professional mechanic with professional diagnostic tools and skills to track down all the possibilities and get to the root cause of the problem. If it turns out that ignition coil is at fault, ignition coil replacement will fix the problem. Generally we recommend replacing all ignition coils at the ... read more