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your alternator is probably not working. It should hold the system voltage at 14.2v with just the heater going. If everything is going, then it probably won't hold 14.2v at an idle but as soon as you accelerate, it will go to 14.2v. Automobile electrical systems typically hold the system voltage between 13.5 and 15v depending upon the manufacturer. 14.2 volts is the sweet spot for maintaining a charged battery and still not overcharge the battery.
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∙ 14y ago
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Can a car's alternator charge the battery while the car is not running?
No. The alternator has to be turning to produce the charging voltage. It only turns when the engine is running.
Why does your car amp heat up?
because when you drive theair is pushing on your car and goes inside the car and goes warm and heats up as you go
What do you do when your heat goes out in your car?
check the coolant level in the radiator
Car gauges shake when turning on car?
Well, voltage wise, you have a lot going on when your are cranking over the engine, so some flutter, or shake is normal.
When turning left which wheel of the car will lift?
Due to centrifugal force, when turning left, the left side of the car will life. The same goes for right handed turns. If turning right, the right side of your car will have less weight on it. The weight will always be on the outside of the curve. Hope this helps :)
What happens when your thermostat goes bad?
When a thermostat goes bad in a vehicle, it can make your car overheat. It can also make it t where you do not have any heat inside your car.
How does a car boot work?
The city will come around and put a boot on your car for unpaid tickets. The boot goes around the tire to prevent the tire from turning.
Is there any voltage from a battery in an open circuit?
Voltage is a measure of electric 'push'. When there's nothing to push (no circuit) it has no meaning, but that isn't to say it isn't there. Just the same as if you push a car. Take the car away and your push goes away. (or does it?)
What parts of the car are influenced by airflow?
Well, on part is the engine. It makes so much heat, there is a fan in it to cool it down. That is why whenever you start a car, it shakes. That is the fan turning on.
Who is at fault when a car avoid hitting turning car and hit car coming head on?
that would be the car turning because the car that had to swerve to avoid it hit another vehicle due to the turning car's failure to yield.
Why is your car turning over but no fuel goes to injectors 98 Civic EX to start it?
Could be fuel pump or fuel pump relay.
When turning left and an opposing car is turning right who has the right of way?
Car turning right has the right away. Car turning from left has to yield the right away to cars coming strait or turning right this is the law in all 50 states
