What is the starting current of a car?
2 Answers
Car starting current varies between gasoline and diesel engines. Gasoline engines output 200 to 600 amps during startup, while diesel engines output up to 1000 amps. The car starting procedure is as follows: Using the key: Turn the ignition key clockwise to the START position; Rotating the button: Apply slight forward pressure when rotating. Immediately release when the engine starts, as the tachometer needle rises and dashboard warning lights extinguish. The ignition switch will automatically return from the start position to the normal ignition position; Observing vehicle condition: After engine startup, carefully monitor all instrument readings and check for abnormal engine noises, coolant leaks, or oil leaks.
The starting current of a car is something I've experienced with many vehicles, and I find it quite crucial. Typically, small cars draw around 150 to 200 amps during startup, while larger vehicles or trucks can require over 500 amps. This current is the power drawn by the starter motor from the battery, with a very high peak at the moment of ignition. Why is it important? Because if the battery capacity is insufficient, it might deplete after just a few starts, especially during cold winter starts when low temperatures increase the battery's internal resistance, demanding even more power. I recommend regularly checking the battery's health, using a multimeter to ensure the voltage stays above 12.6V. When choosing a battery, look at the CCA (Cold Cranking Amps) rating to match your vehicle for better reliability. Avoid frequent short trips that don't allow the battery enough time to recharge. Turn off air conditioning, lights, and other electrical devices when parked to extend battery life. If you experience difficulty starting or notice flickering lights, visit a professional shop promptly, as it could indicate an aging battery or corroded connections.
