Tagspark plug

Searching for spark plug info? Check out all the spark plug related articles here on the NAPA Know How blog. We’ve got Know How for all!

Posted May 23, 2021 Know How

How to change a spark plug on a lawn mower

Do you know how to change a spark plug on a lawn mower? Luckily, its an easy job that takes just a few tools and a couple of minutes. Learn how here.

An engine with visible ignition coil wires.

Posted March 30, 20211 Comment Know How

How to Test Ignition Coil Failure

If you know how to test ignition coil failure you can easily spot and repair failures early to prevent further damage. Learn more here.

Posted March 15, 20211 Comment Maintenance

Mind the Gap: How to Replace Spark Plugs

Knowing how to replace spark plugs can help improve your engine’s performance, fuel economy and start-up performance.

Posted February 17, 2021 Know How

Ford Specialty Tools You Need In Your Toolbox

Do you own or work on Ford Motor Company vehicles (including Lincoln and Mercury) often? If the answer is “yes” then we have four Ford specialty tools we think you … Continue Reading Ford Specialty Tools You Need In Your Toolbox

Posted December 10, 2020 Maintenance

5 Garage Skills That Are Disappearing

Garage skills are shifting thanks to modern tech. Some repairs call for a mechanic, some you can do yourself and some are simply outdated. Learn more here.

Posted March 25, 2020 Know How

What does an Ignition Coil-on-Plug coil do for your engine?

In Coil-on-Plug (COP) technology, since each cylinder has a coil, the PCM controls individual cylinder firings for more precise ignition timing, reduced emissions and better fuel economy. Where are these … Continue Reading What does an Ignition Coil-on-Plug coil do for your engine?

Black-and-white close-up of three spark plugs

Posted February 26, 2020 Maintenance

3 Pro Tips for Spark Plug Wire Replacement

As drivers keep their cars longer, spark plug wire replacement is needed eventually. Follow these pro tips to check and replace spark plug wires.

New spark plugs. Changing the spark plugs on your car may seem like a daunting task, but it doesn't have to be difficult. Here's what you need and some tips to completing the job.

Posted September 5, 2019 Featured

10 Tips For Changing Spark Plugs

Old and failing spark plugs can cause a host of problems in your engine, and it should be expected that you’ll have to change them at least a few times during the life of a vehicle. Luckily, it’s a pretty straightforward DIY that requires close attention, but not many tools. With the right know-how and a few tricks up your sleeve, changing spark plugs is a simple…

Spark plugs in an engine. Choosing the right spark plugs for your car can be a daunting task. Use this guide to pick the perfect spark plugs for your type of vehicle.

Posted August 16, 2019 Maintenance

Different Types Of Spark Plugs: Which One Is Right For Your Car?

Learn about different types of spark plugs, and gain insight into which choice is best suited for your car.

Did You Know: The Evolution of the Spark Plug

Posted June 13, 2019 Partner Spotlight

Did You Know: Spark Plug Evolution

As technology advances, the efficiency of the spark plug has increased, resulting in higher combustion efficiencies. The design evolution has reduced the quenching effect on the flame kernel. The quenching … Continue Reading Did You Know: Spark Plug Evolution