Ignition coils are an integral part of modern engine management systems which have increased in complexity as engines are developed for better economy and greater power management. The Pencil Ignition Coils replaces the traditional distributer and works in conjunction with other electronic engine management parts to deliver power to the combustion chamber through the spark plug. The most asked question regarding ignition coil failure is how do I know when an ignition coil goes bad? often its hard to know where to start with so many individual parts in the system. The most obvious answer to that question is the check engine light will illuminate, and a code reader will display the error code assigned to the ignition coil. There are however a number of other signs that can be noticed even before the check engine light shows up that will indicate the coil is faulty.
Not all ignition coils are created equal, WAI uses proprietary TRANSPO designs and technologies to manufacture the highest quality aftermarket and OE ignition coils. We focus on ignition coils delivering the strongest and most powerful spark that matches what the engine ECU is calling for. In order to support the individual vehicle engine requirments we use smart spark control technologies to correclty match the vehicles spark profile.
30-70 milli-joules of power in a spark requires precise timing and focussed energy delivery. TRANPSO smart spark controls the intensity of the spark in order to optimize engine combustion, and to facilitate a quick, clean burn.
The control center of an ignition coil is in the Bobbin. The bobbin contains the electronic microprocessor and also the electromagnetic core and primary and secondary coils. The microprocessor controls the pre-charge sequence, when the coils are loaded with voltage before it is delivered to the spark plug. This is called the smart coil driver, which contains a diode input. Since the driving conditions will change depending on many factors like temperature, driving load (uphill-downhill, fast acceleration, slow etc) the ECU continually makes calculations to control the output.
The intelligent ignition coil also contributes to engine management by controlling the length and intensity of the spark depending on what the ECU is calling for. Additional layers of information processing have been added, including noice filtering which is common in all engines. Noise essentially is high frequency vibration, and can interfere with parts like sensors, as well as electronic pulses. The onboard interference filters discard erroneous information that will affect engine performance.
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