Eric Garbe, Author at UnderhoodService
Spark Plug Evolution

Spark plugs have changed over the years.

Inside the Scan Tool

A look at the internal and external components that affect performance and durability.

CAT III Multimeters (VIDEO)

CAT III simply refers to the Category Safety Rating of the multimeter.

A/C Service Equipment: We’ve Got It Good These Days

The world of A/C service has changed over the years. New tools and equipment make the job easier than ever.

Using an Oscilloscope for Ignition Diagnosis

Use an oscilloscope for an efficient diagnosis.

Spark Plugs and Wires (VIDEO)

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

How Can Something So Small Be So Important? (VIDEO)

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

Readiness Monitors

Maximize your diagnostics with readiness monitors.

Utilizing NVH Tools

Technology has been improving on NVH tools over the years.

Fashion Week: Dressing For Success In The Shop

Here’s a look into the many options available in today’s workwear specifically designed for automotive technicians.

Understanding Engine Timing – Chains, Gears and Belts

Perfect timing is critical in the performance world, and now, it’s required by your regular customers too.

Don’t Neglect Changing Your Air Filter (VIDEO)

The cabin filters in our should be replaced on a regular basis. This video is sponsored by FRAM.