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 ...

Switch out a set of old, worn spark plugs to improve your engine's efficiency. By Timothy Dale Published Nov 15, 2023 1:00 PM EST We may earn revenue from the ...

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 ...