The Toyota GR Corolla Oxygen Sensor provides real-time air-fuel feedback that is precise enough to keep the rally-bred hatch quick yet clean. Positioned mere inches from the blazing turbo outlet, the Oxygen Sensor contains a platinum clad zirconia core. This core begins trading oxygen ions at around 600 degrees Fahrenheit, immediately sending signals to the engine control unit. The engine control unit interprets these signals and fine-tunes the injector timing for the ideal stoichiometric balance. Each GR Corolla is equipped with an upstream Oxygen Sensor which fine-tunes the mixture and a downstream Oxygen Sensor which verifies catalytic converter efficiency, so drivers gain strong acceleration without sacrificing emissions standards or fuel economy. Later editions of the GR Corolla adopt a wideband Oxygen Sensor that monitors current rather than merely voltage. This means it can read a broader mixture window at any given time. The result is quicker correction when throttle inputs change and a smoother delivery of power for track events. This Oxygen Sensor is another brilliant example of Toyota's intent to offer something above the norm for a performance hatch. This trusted Toyota part has gone through exhaustive testing by Toyota for quality. So, you can depend on the part and enjoy the user-friendly qualities. Despite advanced electronics, longevity is built in. The factory calibration allows the Oxygen Sensor to withstand extreme heat and vibration. The legendary reliability of Toyota enables the Oxygen Sensor to maintain accuracy for thousands of miles. Onboard diagnostics signal when age or contaminants dull response time before mileage takes a big hit, allowing quick replacement that instantly restores the lively character the GR Corolla is known for. Owners of all production years of the GR Corolla, right from the launch editions through to the recent circuit edition, can install this genuine unit confident in the knowledge that it slots straight into existing wiring and exhaust bungs while also keeping the GR Corolla powertrain compliant, efficient and alert thanks to one vigilant Oxygen Sensor doing continuous, split second work.
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