Spark Plug Archives - Page 2 of 4 - Tomorrows Technician
VIDEO: Replacement Spark Plug Selection

You have choices when selecting a replacement spark plug. This video is sponsored by Autolite.

Gapping Spark Plugs

For modern fine-wire spark plugs, you should not measure the gap unless instructed by the manufacturer.

Pulstar Introduces Fine-Wire Iridium, High-Power Spark Plug

New line of spark plugs harnesses plasma technology to deliver more benefits.

VIDEO: Analyzing Spark Plug Colors

If the spark plugs have a matte black or grey appearance, it could be carbon fouling. This video is sponsored by Autolite.

VIDEO: What Causes Spark Plug Deposits?

If you can’t determine if it is carbon or oil fouling, smell the plug. This video is sponsored by Autolite.

VIDEO: Diagnosing Spark Plug Stains And Misfires

Most modern engines put the spark plug in a deep well between the camshafts. This video is sponsored by Autolite.

VIDEO: Spark Plugs And Engine Noise

Do you know the difference between detonation and pre-ignition? This video is sponsored by Autolite.

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: Why Oil Fouls Your Spark Plugs

Each cause of oil fouling indicates different engine problems. This ASE G1 test prep video is sponsored by Autolite.

VIDEO: Ignition Coil Secondary Ignition Waveforms

A “burn line” can reveal what’s going on under the hood. 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.