Fuel metering
Fuel injection in car engines
Article REF: BM2550 V2
Fuel metering
Fuel injection in car engines

Author : Luis LE MOYNE

Publication date: January 10, 2009 | Lire en français

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2. Fuel metering

The quantity of fuel to be introduced by the injection system is determined by the engine's set point richness and the air mass admitted.

Mixture richness is defined as :

ϕ=mcmaψs

with :

m c and m a
 : 
fuel and air masses respectively,
ψ s...
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