What does it actually mean when your engine is running rich or lean?
Your oxygen sensors monitor the air-fuel mixture in the exhaust and provide critical information your ECU uses to keep the engine running properly. But not all oxygen sensors are the same, and a fault code doesn't necessarily mean the sensor itself has failed. Watch this week's Tech Tip as Demetri from Bosch explains how oxygen sensors work, how they can fail, and what you should know before replacing one. Watch now. |
