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Which outcome occurs when fuel injectors in a high-performance engine experience excessively high fuel pressure beyond design limits?

A)Engine knock and pre-ignition
B)Lean air-fuel mixture formation
C)Catalytic converter overheating
D)Reduced exhaust valve temperature

💡 Explanation

Engine knock occurs because excessively high fuel pressure causes over-atomization and uneven fuel distribution via fuel impingement, increasing the likelihood of early ignition. Therefore, pre-ignition is a result, rather than a smoother combustion or failure elsewhere within the exhaust system.

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