Cars made in 1996 and after are required to have a second oxygen sensor that is located below the catalytic converter. This O2 sensor monitors the operating efficiency of the catalytic converter.

Why Replace A Faulty Oxygen Sensor? A faulty sensor cannot transmit accurate data to the car's computer, causing the engine to run unbalanced. An unbalanced engine either burns fuel with too much or ...

Unfortunately, original-equipment oxygen sensors, offered by the manufacturer, can be pricey. The solution is to buy a cheaper, universal-replacement sensor from your local auto parts store.

So the O2 sensor (located in a tight space on the engine manifold) on my '86 Accord is putting out 0volts instead of the .4-.6 it should be. And the mechanic wanted 115 dollars to replace it (I'm ...

One of the components of these systems is the oxygen sensor or O2 sensor. Most modern vehicles have at least two O2 sensors: an upstream sensor and a downstream sensor. These devices monitor the ...

In this article, we’ll talk about oxygen sensors. We will explain what they are, give all symptoms of a faulty sensor and explain when you should replace it. Oxygen sensors, also known as O2 sensors, ...