Or, you can just replace your O2 sensor (s) at regular intervals, to try and prevent that minor drop in mpg sometimes caused by a "lazy" high-mileage sensor. Simple Replacement ...

Should the dealer replace a failed lambda sensor in the Porsche Boxster I bought three weeks ago? Three weeks ago I purchased a 2002 78,000 mile Porsche Boxster 3.2 S from an independent dealer, after ...

Enter the oxygen sensor, also called the lambda sensor, because it gives an indication of the ratio of air to fuel (called the lambda ratio) being consumed by the engine.

In 1976 Volvo Cars presented a world first in the environmental area – the three-way catalytic converter with Lambda sensor for exhaust emission control. Today, 30 years later, virtually all ...