2023 Edition Archives - UnderhoodService
Being Happy Gets In The Way of Being Successful

Bryce Kenny says his greatest satisfaction comes from helping others to find the courage to chase their dreams.

HVAC Diagnostics

Knowing the cause of the complaint might require looking at several components.

Quality Triumphs!

We interact with our cars differently and today’s parts quality matters more than ever.

Monitor Water Quality When Servicing Coolant

The harder the water, the more likely the water pump is to develop a leak.

Deciphering Engine Misfire Codes

When the fuel/air mixture ignites, many factors must be met to pass a misfire monitor.

Technology Update: EV Acronyms And Terminology

Alphabet soup? Don’t worry – these strange combinations of letters will be beneficial to your career.

Putting Yourself First For Safety

Shop safety policies and procedures are only as good as those following them. Make sure you’re watching out for you!

Today’s Fuel Pressure Diagnostics

Direct injection pressure is measured with sensors, and you’ll need a scan tool to measure the signals

Overcharged A/C Systems

Your customers got hot this summer and recharged their A/C system with a DIY refill. Now what? Here’s what to look for.

It Ain’t Bragging If You Can Back It Up

For the great work they do, shop owners like Harrison Keyes talk less about “me” and more about “us.”

Battery Management Means Knowing How It Ages

The battery may be fully charged, but you also need to measure how low the voltages go while the engine is cranking.

Diesel Air Filter Replacement

Here are some diesel air filter replacement tips in order to keep these vehicles running as intended.