Is your check engine light on? A faulty oxygen (O2) sensor is one of the most common culprits. This small but mighty sensor plays a huge role in your vehicle’s fuel efficiency and emissions by monitoring the oxygen in your exhaust. Our video explains how a failing O2 sensor can cause your engine to run poorly and waste fuel.

Replacing a bad O2 sensor can often pay for itself in fuel savings. At Automotive Excellence of Seal Beach, we are committed to providing services that not only fix your car but also provide real value. Our technicians can quickly diagnose a faulty sensor and get your vehicle running at peak efficiency again.

Don’t let a bad sensor damage your catalytic converter—a much more expensive repair. We offer complete engine diagnostics and performance services to ensure all your engine’s sensors are functioning correctly. If your check engine light is on, call us at 562-431-1374 to find out why.