Understanding The Operation Of Oxygen Sensors
They play a vital role in achieving the stoichiometric ideal – but there’s more to it than just that.
Gasoline Direct Injection Is Better, But Not Perfect
GDI technology has improved but drivers could face problems if they don’t keep up with maintenance.
10 Timing Belt Tips
Here are the some key installation and service tips to make your next timing belt job just a little easier.
Import Coolant Confusion
All-season coolant used inorganic acid technology and worked great for almost 30 years. But times change.
New And Old Technology To Cure Belt Noise
A worn automatic belt tensioner has consequences beyond a loose belt.
Fuel Trims
To gain a better perspective on fuel trims, think about how “analog” vehicles dealt with changing fuel and air mixtures.
GM Stop/Start Vehicles
It is essential to understand what is different on these vehicles and how it might change your diagnostic approach.
Hyundai Stop/Start System Problems
Specific conditions with the engine, transmission and brake system all have to be met for the ISG system to function.
New Motor Mount Technology
Engine speed is the primary input that determines the stiffness of the mount.
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.
BMW Spark Plug Replacement
Here are a few things that you need to know before replacing spark plugs in a BMW.
Diagnosing Electronically Controlled Thermostats
On these systems, there are two ways the engine management module knows there is a problem.
