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
Differentials And Diagnostics
A differential allows the two connected wheels to spin at different rates.
Acura Turbo Engine Service
It is important to check the operation of the solenoids that control vacuum to the actuators.
A Closer Look: Electronic Throttle Bodies
A shop’s reputation is affected by things like accuracy of diagnosis, quality of the repair, and friendly service. Equally as important is the quality of the parts installed. If the shop does everything right, and the part fails, the customer will ultimately be upset with the shop. When a new part fails, the customer is
Diagnosing Crankshaft Position Sensors
Modern engines need to know the position of the crankshaft and camshafts.
Hunter Engineering Releases Video on Servicing Carbon-Fiber Wheels
Video stresses need for patience and care with expensive wheels.
Exhaust Gas Recirculation Operation and Diagnostics
Since exhaust gas does not burn, this lowers the combustion temperatures and reduces NOx emissions from the engine.
CAN Bus Communications
There are three types of bus configurations that you will come in contact with — loop, star and a hybrid of both.
Variable Valve Timing Systems (VIDEO)
Variable valve timing systems allow today’s engines to maximize performance and drivability.
A Closer Look: Ignition Coils
OE coils are known for their high failure rates. Engine misfires, rough idle, a decrease in power under acceleration, poor fuel economy, and a check engine light are all signs of an ignition coil that has failed. Read along for more technical information on how to diagnose a failed coil, and why the original equipment
