What Happens If an Oxygen Sensor Doesn't Work?

Answer Oxygen sensors (also known as O2 sensors) are emission control devices that have been used on automobiles since 1980. The oxygen sensor serves several purposes in engine and emission management, in... Read More »

Top Q&A For: What Happens If an Oxygen Sensor Doesn't Work

How Does an Oxygen Sensor Work in a Car?

Oxygen (O2) sensors are temperature probes that sit in the engine's exhaust stream and monitor it. The computer uses the monitored information to control several parameters including injector pulse... Read More »

How Does an Oxygen Sensor Work?

Calculating percentages from ratios is a vital mathematical skill that's useful in a variety of real-life situations, such as financial analyses, test scoring and tax preparation. A percentage, whi... Read More »

How do I Replace an O2 Sensor With Os-4000 Universal Oxygen Sensor on a 2002 Outback?

Most vehicles, including the 2002 Subaru Outback, have the same size oxygen sensor, which is 7/8-inch. The biggest difference in oxygen sensors is that some have a preheater and some don't. The 200... Read More »

How to Change a Oxygen Sensor for a 1998 Ford Windstar Bank 2 Sensor 1?

Throughout the 1960s, 1970s and 1980s, automotive engineers made many strides to keep pace with the ever-changing emission laws, including: catalytic converters, unleaded fuel usage and oxygen sens... Read More »