Your car’s O2 sensor can be cleaned if you’re in a pinch, but cleaning won’t make an old sensor reliable again. Most failing sensors must be replaced.

When we got the invitation to tour Bosch's oxygen sensor plant in Anderson, South Carolina, it had all the allure of eating a sand sandwich. Let's face it, oxygen sensors aren't the most glamorous ...

Your engine needs a steady stream of clean air to function properly, and it's the job of the mass air flow (MAF) sensor to measure and regulate the amount of clean air entering the intake. The engine ...