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← TechnologyWhich outcome results when carbon deposits obstruct a gasoline direct injector channel?
A)Lean combustion mixtures occur✓
B)Fuel pump pressure will increase
C)Engine oil viscosity increases faster
D)Cylinder wall lubrication improves
💡 Explanation
Lean mixtures form because the carbon restricts fuel flow, upsetting the stoichiometric ratio, therefore the engine runs lean, rather than improving lubrication/viscosity, due to fuel starvation caused by injector blockage. This relies on the Bernoulli principle as the Fuel flow impacts cylinder fueling targets.
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