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2. Air–fuel ratio - Wikipedia

   en.wikipedia.org/wiki/Air–fuel_ratio

   Air–fuel ratio (AFR) is the mass ratio of air to a solid, liquid, or gaseous fuel present in a combustion process. The combustion may take place in a controlled manner such as in an internal combustion engine or industrial furnace, or may result in an explosion (e.g., a dust explosion),The air–fuel ratio determines whether a mixture is combustible at all, how much energy is being released ...

3. Lean-burn - Wikipedia

   en.wikipedia.org/wiki/Lean-burn

   The heart of the Mitsubishi's MVV system is the linear air–fuel ratio exhaust gas oxygen sensor. Compared with standard oxygen sensors, which essentially are on-off switches set to a single air/fuel ratio, the lean oxygen sensor is more of a measurement device covering the air/fuel ratio range from about 15:1 to 26:1. [19]

4. Exhaust gas temperature gauge - Wikipedia

   en.wikipedia.org/wiki/Exhaust_gas_temperature_gauge

   An exhaust gas temperature gauge (EGT gauge or EGT sensor) is a meter used to monitor the exhaust gas temperature of an internal combustion engine in conjunction with a thermocouple-type pyrometer. EGT gauges are found in certain cars and aeroplanes. By monitoring EGT, the driver or pilot can get an idea of the vehicle's air-fuel ratio (AFR).

5. Oxygen sensor - Wikipedia

   en.wikipedia.org/wiki/Oxygen_sensor

   Oxygen sensor. 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. It was developed by Robert Bosch GmbH during the late 1960s under the supervision of Günter ...

6. Air–fuel ratio meter - Wikipedia

   en.wikipedia.org/wiki/Air-fuel_ratio_meter

   An air-fuel ratio meter monitors the air–fuel ratio of an internal combustion engine. 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 ...

7. OBD-II PIDs - Wikipedia

   en.wikipedia.org/wiki/OBD-II_PIDs

   Oxygen Sensor 5 AB: Air-Fuel Equivalence Ratio CD: Current 39: 57: 4 Oxygen Sensor 6 AB: Air-Fuel Equivalence Ratio CD: Current 3A: 58: 4 Oxygen Sensor 7 AB: Air-Fuel Equivalence Ratio CD: Current 3B: 59: 4 Oxygen Sensor 8 AB: Air-Fuel Equivalence Ratio CD: Current 3C: 60: 2 Catalyst Temperature: Bank 1, Sensor 1 -40