Replacement parts Compatible With Cadillac For Seville SLS 2010 2011 2012 2013 2.0L 12631044 O2 Lambda Probe Oxygen Sensor

Real-time monitoring: Oxygen sensors can monitor the oxygen content in the engine combustion chamber in real time to adjust the amount of fuel injection, improve economy, reduce fuel consumption and emissions. Reduce Emissions: Oxygen sensors reduce the amount of emissions that a vehicle emits into the atmosphere while keeping the engine running smoothly and correctly. Installation: Save time and effort, no complicated procedures are required, it only takes you a few minutes to easily install. Replacement notice: If you find that the engine light is on, the fuel mileage is poor, or the engine idle speed is unstable, please replace the oxygen sensor immediately. Function: The oxygen sensor is mainly used to detect the oxygen content discharged by the engine to adjust the injection amount and ensure combustion efficiency.