To be clear, an engine doesn't know the difference between AFR and Lambda ... is divided by 14.7 to produce a 0.87 Lambda reading. A wideband sensor calculates lambda by comparing the oxygen ...

In the world of automotive tuning, knowledge is horsepower. Gauges, loggers, and sensors galore provide the data to advance performance, solve problems, and prevent expensive engines from ...

If an oxygen sensor fails, the engine computer won’t be able to correctly set the air-fuel ratio, which could result in lower fuel economy, higher emissions and damage to other components ...