spark plugs Archives - Tomorrows Technician
Five Spark Plug Service And Replacement Tips

Most articles will tell you to use a torque wrench, but they never explain why.

Spark Plug Replacement

Here are some tips to follow when replacing a spark plug.

Spark Plug Fouling

Understanding why plugs get dirty.

Ignition And Coil Flashover

If you see carbon tracking or “flashover” on a spark plug, boot or coil, it is not normal.

Modern Vehicles Need Precious Metals 

Modern ignition systems require dual precious metal spark plugs capable of supplying the highest voltage outputs to date.

Which of the Following is Least Likely to Cause a Weak Spark?

Make sure to read the question and answers carefully before selecting an answer. This video is sponsored by Autolite.

Spark Plug Procedures (VIDEO)

It’s a good idea to polish up your knowledge of engine ignition systems. This video is sponsored by Autolite.

Spark Plugs and Wires (VIDEO)

Wires should be replaced at the same time as spark plugs. This video is sponsored by Autolite.

Spark Plug Gap (VIDEO)

Too small of a gap can lead to a weak spark and too large a gap can lead to misfires. Sponsored by Autolite.

What’s New with Spark Plugs

Spark plugs have changed over the years.

Snap-on Spark Plug Socket Sets Help Techs Beat Winter Freeze

These sets allow technicians greater accessibility options with a locking extension providing extra security.

Spark Plug Replacements (VIDEO)

Don’t rush through a spark plug replacement. This video is sponsored by Autolite.