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Spark Plug Fouling: Getting To The Root Cause Of Misfires

Spark plugs are the “canary in the coal mine” of the combustion chamber. The electrodes and porcelain can reveal short- and long-term problems if you know where to look.

Turbo Cooling: The Real Reason Turbochargers Are Back

25 years later, turbochargers have made a comeback – and it’s been quick.

Spark Plug Inspection

A spark plug that has racked up miles should have a brownish or grayish color on the insulator and electrodes, but some gas additives have been known to turn fresh insulators blue, pink or ­purple.

The Next Evolution Of Fuel Injection

You may soon see a vehicle that has both direct fuel injection and port fuel injection. It could be a Toyota, Ford or other make.

Curing Intercooler Condensation And Oiling Issues

The combination of a turbocharged, small displacement package pays off in improved fuel efficiency and lower emissions, but some tradeoffs may require extra maintenance or runaround solution for an OE issue on specific engines.

Air Management Systems: Controlling Air From The Throttle Body To The Combustion Chamber

It is easy to manage fuel when compared to managing air.

Understanding Oil Additives: New Engines, New Standards

Have you noticed that it is getting harder to stock oil these days? For some vehicles, the same model may take three different types of oils, depending on the make or engine. The base model may require a 5W-30, while the V6 version may require a 5W-20, and the hybrid version may require a 0W-20.

Aftermarket Diesel Innovations: Evolutionary, Revolutionary Or Illegal?

Diesel technology has come a long way, evolving from smelly, dirty, slow, workhorse engines to clean-burning, high-torque, high-horsepower engines that can give many gasoline engines a run for the money on a drag strip or race track.

Don’t Be A Spark Plug Zombie

The “conscious” steps you should perform during spark plug replacement, instead of performing the job like a zombie.

What Is Oil Testing?

Oil specifications are not about the ingredients in the oil, but how the oil reacts to standardized conditions.