Mind the gap. Most new plugs come pre-gapped for your car's engine. If not, use a gap tool to carefully adjust the air gap or the space between the electrodes.

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 ...

Along with swapping out the air filter and changing the oil, replacing the spark plugs is one of the few things left that require service on a modern gasoline engine. Some newer than the twenty ...

Replace the plug — carefully. If you need to replace plugs, how carefully you install them can make or break the job (and your cylinder head). Place the spark plug into the socket attached to the ...

The average labor cost ranges between $40 and $350. Factoring in parts and labor, the cheapest spark plug replacement costs between $100 and $250, and the highest is between $250 and $500. It is ideal ...

Your car's spark plugs aren't something you typically think about during regular maintenance, but they do need to be changed.

You replace your spark plugs fairly often, so it's important to know which ones are superior. By Zach Faulds. Updated Jun 5, 2023 11:13 AM EDT. Best Overall NGK Iridium IX Spark Plug ...

How Often Should I Replace Spark Plugs? As noted, the exact interval depends on many factors, the main ones being the following: The material of the central electrode located in the middle of the ...