Ignition issues can be a real pain to diagnose and could leave you stranded on the side of the road, but identifying the ...

One of the best ways to gain automotive knowledge is simply by asking the two-word question: “What is (a part, theory, thing)?” and locking in the definition after it is given. We’ll take a flier and ...

Spark plugs may be small, but they play a huge role in your car’s performance, fuel efficiency, and reliability. Knowing how they work, how to spot wear, and how to choose the right type can save you ...

We may receive a commission on purchases made from links. A spark plug isn't just one standard item, and the market is full of different types, materials, and designs. They're each made to run best ...

Spark plug testers will only help you figure out issues related to spark plugs. Does that make them useless, or is there a point to having them around?

If you consider your spark plugs little more than disposable engine parts to be replaced for every event or two, you're missing out on a valuable engine-tuning tool. Not only can the correct plug ...

All spark plugs may look the same to the untrained eye. Unfortunately, nothing could be further from the truth. For starters, spark plugs come in many types that are mainly differentiated by the ...