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Throttle-By-Wire Diagnostics

On older throttle cable systems, the carburetor or fuel injection system reacted to the throttle angle.

VW/Audi PCV Service

The PCV valve uses the vacuum from the intake manifold to regulate the flow of gases from the crankcase.

GDI Fuel Pumps and Diagnostic Margins (VIDEO)

A small change can have implications for emissions and drivability. This video is sponsored by Carter Fuel Systems.

Turbocharger Topics

Turbochargers have made a comeback – and it’s been quick.

Jaguar/Land Rover V8 Engines

What makes this engine unique is the high-pressure fuel pumps are driven by the crankshaft using a chain that also turns the oil pump.

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.

Best Practices for GDI Service (Video)

Here are several tips, tricks, and best practices for GDI service. This video is sponsored by Standard Motor Products.

GDI System Overview & Common Failures (Video)

GDI Systems are changing with fuel economy standards and emissions regulations. Sponsored by Standard Motor Products.

Diagnosing Low Coolant Warning Messages (VIDEO)

This video covers what tools you need to find small coolant leaks. Sponsored by K-Seal.