or Spark Plug Wires. Basic Working Theory of the 3.8L Ignition Coil Pack.
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This part is essentially an induction coil and, simply put, a high voltage transformer. While ignition coils are generally very sturdy and reliable, over time, due to heat, vibrations, and faulty insulation, they can become damaged. There are two ways to test the ignition coil of your vehicle: the spark plug test and the bench test.
A faulty coil may fire intermittently, produce a weak spark or kill a cylinder completely. Coils are sensitive to heat and may produce an intermittent problem if their internal components become weak. Once the winding inside weakens or breaks, the problem is irreversible. However, you can test the coil pack on your car using
The coil pack is important in the process of starting your car and keeping the engine running smoothly. The coil pack produces the high voltage needed for the spark plug to create a spark and start the
13 Jul 2011 Page 1 of 4: Ignition Coil Pack Testing Tips and Techniques. Testing these Ignition Coils can be done on the car or off the car. Each individual Ignition Coil, within the Coil Pack, needs two things to create Spark.
Fortunately, there is an easy way to test the coil packs in your vehicle and make sure they're working as they should. You need to use ohm meter to test the coil pack for continuity. Make sure you have the approximate ohm values for the coil pack. To find this information,
In the past, most vehicles relied on an ignition system that featured a distributor mounted in front of or behind the engine. Today's modern vehicles come with distributorless ignition systems, or DIS, that replace the distributor with a more efficient and longer lasting coil pack. Testing these coil packs can help pinpoint a

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March 2018