This article applies to the Porsche 911 993 (1993-1998). The oxygen sensor in your Porsche 993 plays a very important role in how your car operates. This little gadget can cause many headaches when it ...

Many different vehicles use oxygen sensors that are functionally identical but differ slightly in the electrical connector. Bosch now offers a system of oxygen sensors with pigtails that allow a small ...

With fuel prices rising, the need for accurate air/fuel mixture monitoring is more important than ever. The engine computer needs to know what the fuel mixture is with a high degree of precision so it ...

Modern car engine control systems rely on input from several sensors to regulate the engine’s performance as well as its emissions and other vital functions. When these sensors fail to provide ...

This page contains information about how to hook up to rusEFI hardware, in general. It's not intended to be a guide to a specific hardware variant - rather, how to figure out what you're going to need ...

Is there a mileage or time requirement for oxygen sensor replacement? Simple answer: No. Oxygen sensors were first used for fuel trim and emissions in the late 1970s ...

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...