We may receive a commission on purchases made from links. When it comes to engine care 101, a spark plug replacement — also referred to as a tune-up — is an essential task. Spark plugs, as the name ...

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

Removing a broken spark plug can pose a significant risk to the integrity of your engine, particularly in Ford’s 3-valve ...

It had been a long time since I'd even thought about gapping spark plugs, because my car used platinum plugs that were shipped pre-gapped with plastic sleeves to protect the setting from impacts in ...

As vehicles continue to advance, some automotive tools are starting to become irrelevant. Here's one that isn't as popular as ...

Swapping out spark plugs is, next to changing your oil, one of the most basic, straightforward bits of maintenance you can perform on your car. Spark plugs go bad over time, so it's important to keep ...

Spark plugs that haven't been changed for a long time can become one with the cylinder head. Fortunately, it's possible to repair damaged threads instead of scrapping the head. (Photograph by Chris ...