This sensor doesn’t actually measure oxygen directly, it measures the temperature of the exhaust gases going past the oxygen sensor. It’s a pretty simple component really, just a resistor that changes its resistance based on how hot it gets. That change in resistance is what the car’s computer reads. Think of the oxygen sensor as the one telling the computer how well the engine is burning fuel. The computer needs to know the temperature where that oxygen sensor is to interpret the readings correctly. If the exhaust is super hot, or really cold, it affects the signal the oxygen sensor sends. This temperature sensor provides a baseline for the computer, letting it adjust the fuel mixture for optimal performance and emissions. It’s a key part of the closed – loop fuel control system. Without an accurate temperature reading, the computer can’t “trust” the oxygen sensor’s data. This leads to all sorts of problems. You’ll likely notice if it goes bad with a check engine light coming on, maybe some rough idling, poor fuel economy, or even the engine running too rich or lean. It essentially acts like a shield for the oxygen sensor, making sure the computer gets a true reading. If the computer misinterprets the exhaust gas composition, it can damage the catalytic converter over time too, and that’s a much more expensive fix. You can find these pretty easily online, we stock a lot of them at Fixparts Online, but it's one of those things where getting the right part for your specific vehicle is crucial. Backed by experts: Temperature Sensor (MPN 0280130092) comes with a 12-month warranty!

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• Bosch parts are known for lasting a long time, so you won't have to replace them often. • They're made with high-quality materials and tested thoroughly, meaning they perform reliably. • Bosch offers a wide range of parts, so you're likely to find what you need for almost any vehicle. • Mechanics and drivers around the world trust Bosch – it’s a name you can depend on. Bosch delivers excellence, FixParts Online delivers to your door.