Not everyone has the mechanic's eye. All too often we find ourselves as helpless babes at the mercy of the all-knowing mechanic. So let me enlighten you a little bit to potentially save you some serious $$$. One of the most common things that will activate the dreaded "Check engine light" is a faulty spark plug. For a remarkably cheap and simple component, spark plugs play a pivotal role in the operation of your car. They are responsible for igniting the fuel that goes into your engine. They are relatively easy to replace and can be done with just a little bit of know-how.
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