Fuelmiser Oxygen Sensor - Ensures the correct air/fuel ratio is supplied to your engine The job of an oxygen sensor (also referred to as a lambda sensor) is to continually measure the oxygen content in the exhaust gases of your engine. Also referred to as an 02 sensor, it ensures the correct air/fuel ratio for your engine, allowing it to run happily and efficiently. When it comes to engine management, Fuelmiser have a comprehensive range of quality switches and sensors sourced from world leading manufacturers. With most popular late model applications considered in their comprehensive range, just some of the switches and sensors that Fuelmiser offers include: Camshaft sensors Thermo fan switches Knock sensors Crankshaft sensors If you're shopping for a quality replacement sensor or switch to get your car running at 100% again, look no further than Fuelmiser. To view the entire range of switches and sensors, visit the Repco website today or head into your local Repco store and speak to one of the team. Gone are the days of carburettors and points ignition, when it comes to running modern cars pretty much everything is electronically calculated, adjusted, transmitted and actuated by your ECU (Engine Control Unit) or ECM (Engine Control Module). Whilst the ECU is able to do all the clever calculations and literally operate your car, it relies on a myriad of switches and sensors to transmit all of the necessary information it requires in order to allow the ECU to do its job including oil pressure, fuel pressure, coolant temperature, A/C pressure, power steering pressure and even fuel temperature. Behaving as your car's nervous system, faults in automotive switches or sensors can cause issues such as a lack of power, poor efficiency, overheating, internal engine damage or a car that won’t run, start or idle at all. Whilst your switches and sensors will take care of engine vitals such as oil pressure indication, coolant temperature and oil temperature, various switches and sensors also allow the operation of some of the extra features you wouldn't want to be without including air conditioning systems, electric windows and even interior lights. Subjected to harsh under-bonnet conditions, just like other components of your car, old switches and sensors can fail over time and give incorrect data or no data at all to the ECU. Often these issues will flag up a check engine light on the car which is useful if you have a code reader, however sometimes the issue will remain a mystery. By testing for continuity, voltage and resistance, you can confirm the issue and get stuck into fitting a replacement switch. By fitting quality replacement switches and sensors to your car, you can drive with the confidence that your car will run to its maximum potential in terms of power, efficiency and longevity and that all of your car's features will continue to operate correctly for time to come.