With cold weather coming, vehicles often suffer, the most basic situation is to have troubles starting your Subaru Impreza early in the day with very low temperatures. In general this is related to problems recharging the battery of your Subaru Impreza . There are several factors that can show you why your battery does not recharge effectively anymore, and today we will try to help you to fix this issue that can prevent you from using your motor vehicle. To achieve this, first we will show you how recharging your car battery works, then the different problems of recharging a Subaru Impreza, and at last how to recharge an empty car battery.

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How does recharging the battery of a Subaru Impreza function?

Before we detail the different complications of recharging the battery on a Subaru Impreza , we will show you to you how its recharging system works so that you can understand the complications you are facing. A motor vehicle battery works like a phone battery, it will store energy to start your Subaru Impreza , turn on your headlights, play music, lower your power windows… Nevertheless all these actions will consume energy and it may possibly deplete the energy reserve that your battery can store. To overcome this issue, the engineers have designed a component called the alternator , this component will use the energy produced by the engine unit of your Subaru Impreza to create energy thanks to a copper coil and a magnet. This energy will recharge the battery of your motor vehicle . Nevertheless, keep in mind that this process can just work when your car is running, using electrical components of your motor vehicle when it is stopped will decrease the energy reserve of your motor vehicle. It is considered that a battery of a xxx has a life span of 3 to 5 years.

Problems recharging a Subaru Impreza’s battery

We will now describe the different battery charging complications on a Subaru Impreza you may be victim of. If your battery is not recharging because there is actually a issue in your electrical set up, we will now see the different situations.

Battery charging problem on Subaru Impreza: My battery is discharging even if I am recharging it with a specific charger

In this first circumstance, it is quite possible that your alternator is dead , obviously, if you control to recharge your battery with a charger and your Subaru Impreza to start, the problem most certainly comes from your alternator which should not be able to create any more current.

Battery charging issue on Subaru Impreza: My motor vehicle shuts off and does not start even if I have charged the battery

If you have recharged your battery and you have managed to start your Subaru Impreza but it switches off while you are driving and then does not start, the issue with recharging the battery of your Subaru Impreza is that your battery no longer holds the charge .

Battery charging issue on Subaru Impreza: My battery is discharged although it is new

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If you’ve just bought a battery and it discharges while you’re driving, the issue most likely comes from your alternator. It cannot come from your battery, which is new and consequently holds the charge. The second opportunity is that you have a ground somewhere in your electrical system.

How to fix the issue of battery charging on Subaru Impreza?

We will now give you the solutions according to the issue you are facing. Here are the different complications and their solutions:

  • Defective alternator: You can try with basic mechanics to verify it with a pressure gauge to discover if it’s producing power. If it doesn’t, replacing it is the best remedy, depending on your motor you will pay a few hundred euros. This fix is feasible in the event that your alternator is accessible.
  • Battery that no longer holds the charge: In this case, the purchase of a new battery is the just realistic remedy. In actual fact, if you have already recharged it but it is still empty because it is good to be replaced, count between 60 and 100 euros depending on your engine.
  • Ground in the electrical circuit: If you cannot start your Subaru Impreza but your alternator and battery are in good condition, it is possible that you have a ground on your wiring harness and that you lose energy, a verify by a motor vehicle electrician is in such a case required.

How to recharge an empty battery of a Subaru Impreza

At last, to recharge the empty battery of a Subaru Impreza there are just few solutions, using a battery charger is the most efficient remedy, you can discover some for 50 to 100 euros at vendors like Oscaro. In any other case you can use cables that will just provide the energy needed to start.

If you want more tutorials on the Subaru Impreza, go to our Subaru Impreza category.