View post: Walmart Has a $290 Car Refrigerator on Sale for 51% Off How often you need to replace the spark plugs depends on a variety of factors like the type of car you drive, how you drive it, and ...

This used to be a great DIY task, but not any more. Spark plugs often come pre-gapped, but in the trade, we never trusted that what came out of the box was still accurate. You have to account for ...

Replacing your spark plugs is important and usually a fairly simple process, but if they seize in the cylinder heads it's an entirely different matter.