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It doesn’t take an accountant to recognize that it costs more money to operate a vehicle than it did a few years ago. This may cause some motorists to try saving a few dollars by using cheap gas delaying needed maintenance. “That’s a classic case of false economy,” says Rich White, of the Car Care Council, “and it’s no surprise that these ‘money-saving’ measures can cost big money in the long run.” Substandard fuel is one cause of the knocking or pinging sound, commonly known as a spark knock, usually heard when accelerating or climbing a hill. Whether or not you’ve heard the noise, read on. Like the tree that falls in the forest, the sound could be there, but never reaches … Read entire article »