Spark Plug Service Archives - Import Car
VIDEO: Selecting The Right ACDelco Spark Plug

ACDelco plugs feature advanced suppressor designs that prevent flashover & leaks of combustion gases. Sponsored by ACDelco.

VIDEO: Can You Replace Spark Plugs On A Hot Engine?

Installing a spark plug with the engine hot can change the torque specification. This video is sponsored by Autolite.

VIDEO: Hot Or Cold Spark Plug Torque

We discuss how and when spark plugs should be installed. This video is sponsored by Autolite.

VIDEO: Guess The Spark Plug Replacement Interval

Are you a master of spark plug intervals? This challenge will prove it. This video is sponsored by Autolite.

VIDEO: To Gap Or Not To Gap Spark Plugs

Find out what spark plugs need to be gapped and the tools required to get the job done. This video is sponsored by Autolite.

VIDEO: Could Your Sockets Cause Spark Plug Misfires?

This Maintenance Minute discusses the importance of keeping spark plug sockets clean. This video is sponsored by Autolite.

Installing Spark Plugs: Avoid Misfires

The potential for inadvertently creating a misfire is very real when installing new spark plugs. I say this because I’ve diagnosed many misfires created by greasy fingerprints, broken insulators and incorrect air gaps — all caused by poor installation procedures. But nothing is as simple as installing a spark plug, right?

Precious Metal Spark Plugs: Looking at the Science

Behind every kind of technical innovation that drives the automotive world into the future is a wealth of science and engineering that makes such innovation possible. The emergence of precious metal spark plugs is no different.

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