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Which outcome occurs when an air-fuel mixture direct injected internal combustion engine experiences substantial injector clogging?

A)Increased exhaust valve temperature
B)Elevated brake specific fuel consumption
C)Decreased intake manifold pressure
D)Reduced turbocharger turbine speed

💡 Explanation

When an injector is clogged, incomplete combustion occurs owing to poor fuel atomization stemming from a reduction in the required quantity of fuel from being injected, leading to higher unburnt fuel content into the cylinder which is hotter . Therefore, increased exhaust valve temperature will result rager than elevated Bsfc, decresed intake manisold, reduce turbocharge which depends on different mechanical mechanism.

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