Q
does revving an engine help jump a car
I'm a seasoned industrial engineer with a keen interest in machine learning. Here to share insights on latest industry trends.
Revving the engine of the donor vehicle during a jump-start isn't inherently beneficial for the process itself but can help in certain scenarios. The primary purpose of a jump-start is to use the donor car’s battery to provide enough power to the dead battery to start the vehicle. Revving can increase the alternator's output, ensuring more electricity is available to charge the dead battery. However, modern alternators are generally efficient enough at idle to handle this task. Excessive revving isn't recommended, as it could potentially cause harm to either vehicle. Instead, ensuring a solid connection between the jumper cables and running the donor car at idle for a few minutes before attempting to start the dead vehicle usually suffices. Always refer to both vehicles' manuals for recommended procedures.
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