Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...

Casio's 'F-91W' was released in 1989, and its design has remained almost unchanged since its debut up until the time of writing. Coupled with its impressive cost performance, it's also known as a ...

In a performance application at wide open throttle, the ECU needs to control the air to fuel ratio to hit a small target somewhat richer than stoichiometric. The narrowband sensors most OEs use only ...

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 ...

The manifold absolute pressure sensor, also known as the MAP sensor, is an important part of the car’s engine management system. The MAP sensor is found in vehicles with fuel injection, and the ...

If you’re like most car owners, you probably don’t think much about your car’s oxygen sensors until they are causing a problem. But did you know that a bad oxygen sensor can impact your car’s ...

The Costco advantage doesn't just extend to your favorite grocery items and low-priced Interstate batteries. The warehouse retail chain also offers wholesale prices for tires, and they're a fantastic ...

Whether you’re working in the front of the shop or turning wrenches in the bays, part of TPMS service is teaching customers what they don’t know about their vehicles. Many drivers may believe TPMS ...