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lean air-fuel mixture

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  • lean air-fuel mixture — A mixture of air and fuel in which there is more air and less fuel. See air fuel ratio …   Dictionary of automotive terms

  • air-fuel mixture — See rich air fuel mixture lean air fuel mixture …   Dictionary of automotive terms

  • air-fuel mixture ratio — The ratio by weight of air and fuel in the mixture being sent into the cylinders of a reciprocating engine. Ideally, the ratio should be 15:1. Besides the ideal (stoichiometric) ratio, the air fuel mixture may be rich or lean depending on the… …   Aviation dictionary

  • air-fuel ratio — (A/F ratio) The mass of air supplied to the engine divided by the mass of fuel supplied in the same period of time. The stoichiometric, or chemically correct, air fuel ratio is the exact ratio necessary to burn all the carbon and hydrogen in the… …   Dictionary of automotive terms

  • Air-fuel ratio — (AFR) is the mass ratio of air to fuel present during combustion. When all the fuel is combined with all the free oxygen, typically within a vehicle s combustion chamber,the mixture is chemically balanced and this AFR is called the stoichiometric …   Wikipedia

  • 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 lambda sensor,… …   Wikipedia

  • mixture — [1] A substance made up of two or more chemicals in some proportion. [2] A fuel air mixture in an internal combustion engine. [3] The combination of oil and gasoline in the fuel tank of a two stroke engine, e.g., 1:50, i.e., one part of oil is… …   Dictionary of automotive terms

  • Lean burn — refers to the use of lean mixtures in an internal combustion engine. The air fuel ratios can be as high as 65:1, so the mixture has considerably less fuel in comparison to the stoichiometric combustion ratio (14.7:1 for petrol for example).… …   Wikipedia

  • Fuel injection — Fuel rail connected to the injectors that are mounted just above the intake manifold on a four cylinder engine. Fuel injection …   Wikipedia

  • lean mixture — A fuel air mixture where the fuel air ratio is less than 1:15. See air fuel mixture ratio …   Aviation dictionary

  • lean — [1] A weak air/fuel mixture that has less fuel to air ratio. The opposite is rich. [2] A lateral movement where one side lists more than the other …   Dictionary of automotive terms