How to Troubleshoot an Oxygen Sensor?

Answer The oxygen sensor in your car is constantly monitoring oxygen content in exhaust gases from your engine. This helps the vehicle computer adjust for the proper fuel/air mixture, which affects drivab... Read More »

Top Q&A For: How to Troubleshoot an Oxygen Sensor

How to Troubleshoot an Upstream Oxygen Sensor?

An O2 sensor measures the contents of the exhaust gasses coming out of the engine. These types of sensors are typically plugged into the catalytic converter or exhaust system to measure how many to... Read More »

How to Troubleshoot an Audi Oxygen Sensor?

Replace the oxygen sensor in your Audi after 100,000 miles. The sensor monitors exhaust gases coming from the engine. It then sends this information to the on-board diagnostic computer, and the Aud... Read More »

How to Troubleshoot the Oxygen Sensor on a 2005 Toyota?

The oxygen sensors on your 2005 Toyota car, truck or SUV measure the oxygen-fuel ratio of your vehicle's exhaust system. An array of problems can occur when your oxygen sensor begins to go bad. You... 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 »