A vehicle is said to be running lean when there is an excess of air in the…
air fuel
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**air fuel**
A term commonly used to describe the mixture or ratio of air and fuel in combustion processes. Proper air fuel balance is essential for efficient engine performance, reduced emissions, and optimal fuel economy. This tag covers topics related to air-fuel mixtures in engines, fuel combustion, tuning, and related technologies.
When a vehicle is described as “running lean,” it refers to a condition in which the air-fuel…