Question

 How to Replace an Upstream Oxygen Sensor?

Answer Ever since the 1990s, automobiles have typically come equipped with two oxygen sensors on their exhaust manifold--labeled the "upstream" and the "downstream" oxygen sensors. Oxygen sensors are esse... Read More »
http://www.ehow.com/how_6197528_replace-upstream-oxygen-sensor.html

Top Q&A For: How to Replace an Upstream Oxygen Sensor

How to Replace the Upstream Oxygen Sensor in a VW Cabrio?

If you are experiencing a rough-running engine, back-firing and poor fuel mileage from your VW Cabrio and the service engine soon light has displays, have the car's computer scanned to determine th... Read More »
http://www.ehow.com/how_5938519_replace-oxygen-sensor-vw-cabrio.html

What Is an Upstream Oxygen Sensor?

Oxygen sensors, like anti-lock brakes and radial tires, are one of those little automotive inventions that went from nonexistent to ubiquitous practically overnight. The O2 sensor is your engine ma... Read More »
http://www.ehow.com/info_12197168_upstream-oxygen-sensor.html

How to Fix the Upstream Oxygen Sensor on a VW?

The oxygen sensors on your VW are used by your vehicle's computer to monitor and adjust the fuel-to-air ratio in your engine's combustion chambers. The upstream sensor measures the emissions flowin... Read More »
http://www.ehow.com/how_6039510_fix-upstream-oxygen-sensor-vw.html

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 »
http://www.ehow.com/how_5437220_troubleshoot-upstream-oxygen-sensor.html


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