Today’s computerised engine control systems rely on inputs from a variety of sensors to regulate engine performance, emissions and other important functions. The sensors must provide accurate ...

AIR, fuel and spark are the three ingredients for a gasoline engine to produce power. Other than an occasional change of spark plugs and plug wires, most newer vehicle ignition systems will operate ...

Q:Hi James. I keep having an oxygen sensor fault code for a lean exhaust with my '97 Corvette. I've taken the vehicle to the dealer several times but the problem keeps recurring. I would like to try ...

There once was a time when something called a carburettor was the sole determinant of the air/fuel ratio in the internal combustion engine. No kidding. Ask the most senior member of your staff. He has ...

The days of the zirconia upstream oxygen sensor are behind us. Vehicle manufacturers have moved to what is commonly known as the air/fuel ratio sensor, or AFS. With the change in technology has come a ...

Modern car engine control systems rely on input from several sensors to regulate the engine’s performance as well as its emissions and other vital functions. When these sensors fail to provide ...