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For example, in several Mazda models, the light will come on at 80,000 miles (130,000 km) and remain lit without generating a computer trouble code. [citation needed] Volvo had a light labeled "lambda", lambda sond being another name for oxygen sensor. This was done in order to remind the driver to change the oxygen sensor.
During normal driving the lamp is lit when reaching a specific RPM while driving at light loads. At wide-open-throttle the Shift Up lamp is lit when the RPM is near 6000 RPM. The lamp does not light in fifth gear. The light is lit at a higher RPM when the engine is cold to promote a quicker warm up.
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]
A daytime running lamp (DRL, also daytime running light) is an automotive lighting and bicycle lighting device on the front of a road going motor vehicle or bicycle. [1] It is automatically switched on when the vehicle's handbrake has been pulled down, when the vehicle is in gear , or when the engine is started, emitting white, yellow , or ...
"Driving light" is a term hailing from the early days of night time driving, when it was relatively rare to encounter an opposing vehicle. [ 14 ] [ full citation needed ] Only on occasions when opposing drivers passed each other would the low (dipped or "passing") beam be used.
Also called air–fuel ratio gauge, air–fuel meter, or air–fuel gauge, it reads the voltage output of an oxygen sensor, sometimes also called AFR sensor or lambda sensor. The original narrow-band oxygen sensors became factory installed standard in the late 1970s and early 1980s.
Thus measuring the proportion of oxygen in the exhaust gases of these engines can monitor and measure these emissions. This measurement is performed in the MOT test through Lambda coefficient measurement. The Lambda coefficient (λ) is obtained from the relationship between air and gasoline involved in combustion of the mixture. It is a measure ...
Redflex red light camera in Springfield, Ohio, US A set of pictures taken by a red light camera in Luannan County, China, the black car in the pictures ran the red light. A red light camera is a traffic camera that takes an image of a vehicle that goes through an intersection where the light is red. The system continuously monitors the traffic ...