Gary Goms, Author at Tomorrows Technician
Master Cylinders Need Periodic Inspections

Dual master cylinders are configured to operate two separate braking systems.

Diagnosing Secondary Ignition Problems

Kilovolt demand can vary widely according to air/fuel ratio, running compression and spark timing.

Engine Compression Testing

Read this article to find out how to reduce rotating friction and increase running compression.

Nissan Frontier: Finding Failures, Faults

Nissan uses two accelerator pedal position (APP) sensors to transmit a throttle position command.

Solving 2014 Toyota Tacoma Cooling System Sensor Codes

The test monitor reads all relevant serial data parameters passing through the ECM.

Understanding Five Volt Reference Signals

A 5-volt reference flows through a sensor with a resistance that varies according to changes in temp., pressure or position.

Emissions 101: A Basic Understanding Of How Catalytic Converters Operate

When servicing catalytic converters, it’s important to have a basic understanding of how they operate.

Fuel System Diagnostics Is All In The Fuel Trim Numbers

With lean-burn operating strategies being built into many of today’s gasoline direct-injection and gasoline compression ignition engines, it’s important to build a foundational knowledge of how fuel trims work in the real world.

How To Diagnose NVH Complaints In Drivetrain Components

Thanks to advanced technology, modern vehicles operate with fewer noise, vibration and harshness (NVH) complaints than ever ­before.

The Battery Electric Revolution

The BEV phenomenon is literally a moving target, with the marketing data changing by the day.

Walking The Talk With PCM/CAN Bus Communication Problems

If you don’t have much experience working with CAN bus communications systems, you’re not alone.

Tire Scrub Diagnostics: Where’s The Scrub?

Have an unusual tire wear complaint? It probably starts with the steering knuckle.