Service Videos

Oxygen (O2) Sensor

Clean fuel burn depends on fast feedback. Your O2 sensor reads exhaust gases after combustion and helps the engine computer decide whether the air-fuel mixture needs more fuel or less fuel. An oxygen sensor measures unburned oxygen in the exhaust so the engine computer can adjust the air-fuel mixture. When the signal gets slow or inaccurate, fuel economy can drop, emissions can rise, and the check engine light may come on. In Boca Raton, heat, humidity, wet-season storms, standing water, and salt air can be hard on sensors, wiring, and exhaust connections. Rapid heat cycles can age the sensor, and corrosion can affect its connector or threads. Shores Automotive can inspect O2 sensor data through our engine diagnostics and repair service instead of replacing parts by guesswork. That matters on European and exotic vehicles, where fuel trim, emissions monitors, and drivability data should be tested together. Many Boca Raton vehicles see stop-and-go errands, short trips, beach-area driving, and highway runs on I-95 or the Turnpike. Short drives may not give the exhaust time to burn off moisture, while heavy traffic keeps the engine adjusting fuel delivery during long warm idles and slow parking-lot lines near shops. Drivers from Delray Beach, Deerfield Beach, Highland Beach, and Palm Beach County who need auto repair in Boca Raton often turn to a local specialist when a check engine light appears. A proper scan can show whether the O2 sensor is faulty or another issue is causing the rich or lean condition. If your mileage dropped, your exhaust smells rich, or your check engine light is on, call Shores Automotive at (561) 783-4438 today. Schedule a focused diagnostic visit before