Tagignition

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

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 September 16, 2020 Know How

Combustion Control: What does a Knock Sensor do?

The knock sensor creates a voltage signal based on the vibrations caused by engine detonation. The computer uses this signal to retard timing when spark knock occurs. Where are these … Continue Reading Combustion Control: What does a Knock Sensor do?

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.

A diesel glow plug warmer works to improve starting and lower emissions in diesel engines.

Posted December 30, 2019 Know How

How A Diesel Glow Plug Improves Starting and Lowers Emissions

Diesel fuel ignition is highly dependent on temperature. Learn how a glow plug warmer can make cold starting easier and reduce emissions.

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

Spark plugs. Changing spark plugs is a part of completing preventive maintenance on a car. Here's how often spark plugs should be replaced.

Posted June 5, 2019 Maintenance

How Often Should You Change Spark Plugs?

Changing your car’s spark plugs is a necessary form of preventive maintenance. How often should you change spark plugs? Here’s the answer.

A car's spark plug. There are a lot of different spark plugs to choose from. How do you know which one your car uses? Here's a helpful guide to get the right spark plugs for your car.

Posted May 20, 2019 Know How

Different Types Of Spark Plugs: Understanding The Differences

What are the different types of spark plugs available? The choices include plugs made from copper, platinum, silver and iridium.