When Should I Replace The O2 Sensor? The answer to this question is complex, as these sensors are not your standard maintenance items. No indicator lights on your dashboard or other means could hint ...

Your vehicle's O2 sensor plays a significant role in its performance and if it's faulty, it's not something you should ignore. Here's what you need to know.

We drill holes in an exhaust header to demonstrate how even the tiniest exhaust leak can affect O2 sensor accuracy and yield unreliable tuning data.

A look at what Bosch has done with the oxygen sensor. Find all the details inside Popular Hot Rodding Magazine.

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 ...