so checking what it had originally is a good idea. However, if it’s an older car that originally came with copper spark plugs, moving up to platinum plugs should give you a much longer service life.

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If your car shakes when it's idle, it is not something that should be ignored. If you want to troubleshoot it yourself, here ...

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If you see a strong blue spark between the plug's electrodes, you should next check the coil's output with a multimeter. Also inspect the plug wires for any loose connections or obvious signs of wear.

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Emily is a freelance personal finance journalist and contributor to Newsweek. Her other publications include U.S. News & World Report, Forbes Advisor, USA Today and Buy Side from the Wall Street ...

A well-picked business checking account can make a positive impact on the financial operations of your business. And since each business has unique needs, it pays to take your time and compare ...

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