Understanding Emissions
Modern EVAP systems are selective with how they vent vapors back into the engine. Sponsored by Standard.
A Closer Look: Gasoline Direct Injection (GDI)
Gasoline direct injection (GDI) is used on most new vehicles and requires a different approach to diagnosis and service. GDI technology has been an integral part of helping to improve fuel economy while reducing emissions, and can be found on more than half of the U.S. fleet. In fact, the use of GDI engines has
Oil and Carbon Deposits
Here’s how oil can influence carbon deposits.
How to Pinpoint an Oil Leak Source (VIDEO)
The key is to follow the trail to the farthest forward and highest up point that you can find. Sponsored by Bar’s Leaks.
10 Alternative Uses For A Smoke Machine
Don’t limit yourself to just checking emissions controls – use your smoke machine to check numerous vehicle systems.
Spark Plug Fouling
Understanding why spark plugs get dirty.
Aging Plastic Intake Components May Cause Leaks
BMW valve covers and intake manifolds made of plastic are susceptible to warpage and gasket failure.
Five Spark Plug Service And Replacement Tips
Most articles will tell you to use a torque wrench, but they never explain why.
Why Are Cars So Expensive to Fix?
A combination of everything people require makes vehicle repairs so expensive.
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.