Spark Plugs Archives - Page 3 of 14 - UnderhoodService
Delphi Technologies Training Series: How to Service Ignition Coils

A vehicle’s ignition system must provide sufficient spark to the right cylinder, at the right time, thousands of times every minute. Making accurate ignition repairs an absolute must. With our best practice guide to servicing ignition coils, you’ll know how they work, why and how they fail, and how to replace them for a high

VIDEO: Why Do Spark Plugs Have A Smaller Gap?

A tighter spark plug gap can increase power and reduce emissions. This video is sponsored by NGK and NTK.

VIDEO: Why Should You Replace All The Coils And Plugs

Not replacing them all could leave the root cause of the failure in the engine. This video is sponsored by NGK and NTK.

Don’t Forget About Ignition When It’s Time for Road Trip Tune-Ups

Summer 2020 was a boom time for road trips. Many drivers were eager to hit the road, and according to the Expedia® 2020 Summer Travel Report published in July 2020, 85% of U.S. travelers reported that they would be likely to take a road trip. This road trip renaissance is slated to continue into spring

Earn Customer Trust with Ideal Spark Plugs for GDI Engines

One of the key factors for a shop’s success is its reputation for customer service. While you cannot change the way vehicles and parts are manufactured, you can offer confident recommendations to customers on which parts will work best for their needs. The use of Gasoline Direct Injection (GDI) engines has continued to grow across

Earn Customer Trust with Ideal Spark Plugs for GDI Engines

One of the key factors for a shop’s success is its reputation for customer service. While you cannot change the way vehicles and parts are manufactured, you can offer confident recommendations to customers on which parts will work best for their needs. The use of Gasoline Direct Injection (GDI) engines has continued to grow across

VIDEO: Should Anti-Seize Be Applied On Spark Plug Threads?

Using anti-seize without reducing the required torque value can strip the threads. This video is sponsored by Autolite.

VIDEO: How Often Do You Need To Change Spark Plugs?

Different manufacturers use different kinds of spark plugs. This video is sponsored by Autolite.

VIDEO: What If Spark Plugs Are Not Replaced?

Worn spark plugs can cause more damage to an engine than you might think. This video is sponsored by Autolite.

VIDEO: How Can You Tell If A Spark Plug Is Worn Out?

Gauging the condition of a spark plug on appearance can be problematic. This video is sponsored by Autolite.

Know Your Engine When Determining Spark Plug Service Intervals

How much easier and simpler would life be if every problem had a one-size-fits-all solution? Unfortunately, that will never be the case since almost every conundrum must be mitigated via a solution that involves the precise implementation of a diverse set of actions that have to link seamlessly in order to optimize or improve the

Chasing The Perfect Combustion Event

The perfect internal combustion engine would put the exact amount of fuel and air into the combustion chamber.