Underhood Automotive
Diagnosing Electronically Controlled Thermostats

On these systems, there are two ways the engine management module knows there is a problem.

Street vs. Race Oil

Passenger car motor oil has undergone numerous changes over the years.

European Engine Coolant Specifications

With internal combustion engine technology changing, it might take three different coolants to service one European vehicle.

Knock Sensor Diagnostics

The knock sensor is not the only sensor responsible for detecting engine knock.

Improving Turbocharger Longevity

It is estimated that by 2022, 50% or more of vehicles sold in the U.S. will have one or more turbochargers under the hood.

Air Management For The FSI V6 And V8 Engines

The FSI 3.2 L V6 & 4.2 L V8 have a lot in common with the FSI 2.0 L four-cylinder engine, including carbon deposit problems.

Mercedes-Benz Engine Oil Leaks

Mercedes makes a fine product, but certain repairs will emerge as trends over time.

Volvo Engine Service

If an engine manages to stay in production for 25 years, it is a testament to the engineering inside.

Boosted Diesels: Inside Turbo Systems and Nitrous Combos

There’s nothing more satisfying than a good turbo system.

What Turbo Kit Is Right For You?

Turbocharger kits come with many different parts that all require attention when buying – quality matters.

Solving Hyundai Theta Turbocharged Engine Problems

Knowing the basics of turbocharged systems can serve you well in solving problems with turbo-equipped Hyundais.

Volkswagen Engine Misfire Diagnosis

Misfire faults have been related to conditions like loose/damaged electrical connections, poor circuit grounds and more.