You may need to remove a few plastic covers first to get to the battery. This can be difficult to do on modern cars where batteries are fitted into tight compartments in the trunk or engine bay. Bad connections to battery – Check the Battery terminals and wiring
Using a multimeter/voltmeter to check the voltage level in a car battery 2. If it is less, then the battery has not charged properly, more then there may be a problem with the alternator.
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It is vital though, that the battery is recharged while the engine is running so that it is ready for the next start.Ĭar batteries are designed to take a lot of punishment, and should provide years of trouble free engine starts. It’s main purpose is to start the car, but it can also be used to provide extra power to accessories when the engine is off. Your car battery will cycle through thousands of charges and discharges over it’s lifetime. Faulty injectors or a clogged fuel filter can also cause a car to struggle and splutter when starting. But how do you tell if it is caused by the car battery not charging, or if it’s something else?Ī car that won’t start can be caused by a fault with the alternator or some other part of the electrical charging system. Very often, the first sign of battery trouble is when your car won’t start.