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← TechnologyWhich consequence results when a turbocharger's VGT mechanism seizes?
A)Uncontrolled boost and engine overspeed✓
B)EGR valve failure and NOx increase
C)Catalytic converter overheating and damage
D)Fuel injector clogging and misfire
💡 Explanation
Runaway boost and engine damage result because the variable geometry turbine (VGT) vanes cannot adjust; therefore, boost control is lost, rather than EGR malfunction or combustion component issues that relate to separate systems.
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