We typically monitor the tachometer when performing the mag check during the run-up. Parameters vary, but they often specify ...

Side gapping your car's spark plugs could result in some modest performance gains. Here's what it means, how to do it, and ...

The Ancel Spark Plug Tester is 35% off at Amazon, but the sale ends soon. Put your car’s spark plugs to the test by ordering ...

These symbols, often called "idiot lights," are aimed at being easy to understand. But for many drivers, young and old alike, it's not that easy.

You may have heard about your engine's coil pack but not understood what it does. It's actually a critical component for ...

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