Spark Plug Archives - Page 2 of 4 - UnderhoodService
VIDEO: Spark Plug Electrode Wear And The Shape Of The Tip

We discuss how wear due to plasma erosion can change firing voltages. This video is sponsored by Autolite.

VIDEO: Checking For Spark Inside And Outside The Engine

In this video we discuss what it takes to fire a spark plug under pressure. This video is sponsored by Autolite.

VIDEO: What Keeps Spark Plugs In The Head?

Here’s everything you need to know when tightening a spark plug. This video is sponsored by Autolite.

How Ignition Coils And Plugs Find The Path Of Least Resistance

No matter if it is the secondary or primary side of the coil, inspecting the grounds should be one of the first tests.

VIDEO: Spark Plug Mistakes And Recovery

What sets a part a professional technician from an amateur? This video is sponsored by Autolite.

VIDEO: Should You Use Anti-Seize On Spark Plugs?

Anti-seize can alter the tightening torque up to 20%, increasing the risk of breakage. This video is sponsored by Autolite.

VIDEO: Ignition Coil Secondary Ignition Waveforms

Watch this week’s garage video on the “burn line” of a secondary ignition waveform. This video is sponsored by Autolite.

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.

Spark Plug Replacement Problems And Preventive Measures

When fine-wire spark plugs were first introduced, many broken electrodes were reported because of incorrect gap tools.

VIDEO: Hot Or Cold Spark Plug Torque

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

VIDEO: Inspecting Spark Plug Appearance

A spark plug can reveal short- and long-term problems if you know where to look. 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.