Or, you can just replace your O2 sensor (s) at regular intervals, to try and prevent that minor drop in mpg sometimes caused by a "lazy" high-mileage sensor. Simple Replacement ...

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 ...

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

There are two oxygen sensors on the majority of the vehicles, including the 2000 Toyota Celica - one before the catalytic converter and one after it. Replacing them is not that hard as they look ...

Q. I am installing a wideband oxygen sensor and am curious about what A/F (air/fuel) ratios to aim for. Here is where I am stuck: I run a 20 percent blend of E85, and with the pump gas also with a ...

Diagnostics An oxygen sensor that’s going bad or has failed altogether won’t always throw a check engine light or trip a diagnostic trouble code. Sometimes if there’s an internal problem ...

Replace both the upstream ones at the same time so the reading will be consistent. You can keep the downstream one on there. The only difference between the two is the length of the wire.<BR><BR ...