Misfiring, rough idling, poor acceleration, and decreased fuel efficiency — the four ominous horsemen of bad spark plugs. Nobody wants to ever get to that point before desperately changing such a ...

Removing a broken spark plug can pose a significant risk to the integrity of your engine, particularly in Ford’s 3-valve designs. The extraction process can be challenging and, if not handled ...

If you can't get your engine to start running, a spark plug issue could be the culprit. Faulty or malfunctioning spark plugs can prevent your engine from doing its job correctly (or at all), so ...

Spark plugs play a highly significant role in the overall functioning of a vehicle. Without well-functioning spark plugs, a vehicle may not operate properly or at all. This article explains all ...

So, it's time for new spark plugs. Your hands are covered in grease, you're twisting the ratchet, and –- snap. Half the spark plug stays lodged inside your cylinder head like a nonpaying tenant who ...

Your engine’s spark plugs are one of its smallest and most important, parts. We look at some of the best. The engine in your car, truck, or crossover operates on the simple principle of capturing the ...

We may receive a commission on purchases made from links. Most manufacturers suggest spark plugs (and wires, if you're being thorough) be replaced between 30,000 and 100,000 miles depending on the ...