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2026. 6. 30. 작업
Why is the effect of a bad fuel pump more noticable at higher speeds?
Background You asked Why is the effect of a bad fuel pump more noticeable at higher speeds? I assume that by 'higher speeds' you mean engine speeds or RPM's. During high RPM operation an ICE consumes more fuel so the flow rate into the fuel injection system or carburetor increases at higher RPM's. This taxes the fuel system and puts more load on the pump requiring it to fulfill the need for more fuel. If a fuel pump is nearing the end of it's service life and is not running optimally this can lead to situation called 'fuel starvation' where the requirements for fuel for the ICE are not being met. This would result in a lean condition to the vehicle where it may not be able to achieve a higher RPM due to the fuel starvation and the resulting power loss. Answer The effect of a fuel pump going bad will result in a lean condition to the ICE preventing it from maximizing conversion from fuel to torque at it's maximum possible conversion rate. Update: From OP Edit of Original Question Since
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