![]() Lately I’ve been reading that warming up the car is bad for your engine because excess gas goes into the intake valves. I have been starting my car every morning with the remote start and letting my car run for about 10 minutes, then drive my car to where I have to go. I had written you in the past and you told me to run the engine till it is completely warmed up. How to jump a car in 7 simple steps 1: Park Close Together 2: Shut Off The Power 3: Connect Positive to Positive With the Car Jumper Cables 4: Connect. Q: I just drive a short distance every day. Yes, it is helpful to rev the engine and hold it around 1,200 rpm. Increasing the engine speed on the donor vehicle makes sure enough amperage (current) flows to the weak battery. Using a garden hose for an analogy, voltage is the water pressure while amperage is how much water leaves the nozzle. Step 7: Start the working vehicle and let it run for a few seconds. Voltage pushes the electricity through the wires while amperage is a measure of how much electricity is flowing. The Proper Way to Jump Start a Car Have the car with the good battery park facing the other vehicle, then make sure that the vehicle is turned off. In modern vehicles with alternators I know increased rpm doesn’t equal higher voltage, but does it provide higher amperage? Does it do anything? Is it at all useful to rev the engine of the vehicle providing the jump?Ī: The voltage output is actually regulated to a maximum of fewer than 15 volts. When jump-starting a vehicle, I know that decades ago it used to be useful to run the rpm up in the vehicle providing the jump, thereby providing a higher voltage from the generator. A handy mnemonic device can help you remember how to begin when hooking up jumper cables: Red on Dead means to connect the red (positive) battery cable up to. Jumping Basics Once the vehicles are in position (but not touching each other, as metal on metal contact might cause trouble), turn off the engine on the vehicle with the good battery. It may take a few moments for the dead battery to pull energy from the other vehicle. Go to the car with the dead battery and turn the key until the engine fully starts. Q: Recently in helping my elderly father-in-law start his Lincoln, I came upon a quandary. Jump-Start the Car Once the cables are connected, start the vehicle with the charged battery and let it run for a couple minutes.
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