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Well the preferred ratio is 14.7:1 (14.7(air):1(fuel)) so anything below this is rich.... 14.6:1 for e.g
the ratio of the amount (mass) of air to fuel. Ideal is 14.7 lbs of air to 1 lb of fuel to completely burn air the fuel. A slightly rich raitio of about 12.5:1 car produce more power at the expense of emissions.
low power genaration
Lean Burn = higher air-fuel ratio, Less power, more economical Rich Burn = lower air-fuel ratio, More power, less economical
14.7:1 --- Air : Fuel Ratio. perfect. not lean, not rich.
The ratio is about 15:1 fuel to air.
It determines, in real time, if the air fuel ratio of the engine is rich or lean.
The ideal fuel/air mixture or ratio for most internal combustion gasoline engines is 14.7 to 1. Meaning 14.7 parts air to one part gasoline. Any ratio below this is considered a rich mixture or too much fuel. Any ratio above this is considered a lean mixture or too much air.
The air fuel ratio of the petrol engine is controlled by Carburetor
No. The stochiometric ratio is a matter of fuel/air mixture... coolant has nothing to do with it. If you're running rich, you don't have enough air going into that mixture. Perhaps your air filter is past due for a change.
It means the engine is running too rich...The air/fuel ratio is incorrect and must be fixed.
Air/Fuel Ratio