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An oxygen sensor (or lambda sensor, where lambda refers to air–fuel equivalence ratio, usually denoted by λ) or probe or sond, is an electronic device that measures the proportion of oxygen (O 2) in the gas or liquid being analyzed. [1] It was developed by Robert Bosch GmbH during the late 1960s under the supervision of Günter Bauman. [1]
The gas is pumped or diffuses into the light tube, and the electronics measures the absorption of the characteristic wavelength of light. Sensors are most often used for measuring carbon monoxide. [4] The best of these have sensitivities of 20–50 PPM. [4] Most CO sensors are fully calibrated prior to shipping from the factory.
MAF sensor (idle trim) - 23 unk: Left lambda sensor: Blue shielded 24 unk: Right lambda sensor: Blue shielded 25 red/black: Sensor ground: Ground side of coolant, fuel, MAP, and TP sensors 26 green/white: Air bypass valve: 48-58Ω to pin 1 27 black/gray: Signal ground - 28 blue/gray: Air bypass valve: 48-58Ω to pin 29 29 orange: Air bypass ...
This kind of electronic control is less common in piston-engined light fixed-wing aircraft and helicopters than in automobiles. This is due to the common configuration of a carbureted engine with a magneto ignition system that does not require electrical power generated by an alternator to run, which is considered a safety advantage. [12]
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What you should set your thermostat at in the winter. Turns out there's a magic number for your thermostat setting in the winter, experts say. That setting? 68 degrees, according to the Energy ...
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Thousands of fans streamed into Great American Ball Park despite steady rain on Sunday to pay respects to Pete Rose, baseball's career hits leader, who died Sept. 30 at the age of 83. The 14-hour ...