If your alternator is not working, then the battery will die while you are running the car and eventually it will quit running. I have tested the alternator and its good. Your car’s computer needs a steady stream of voltage to work properly. Dim Lightening of your Headlights. A bad battery can ruin your alternator too, but that takes a while. That could do it. 2009 SmartCar. nope, the alternator supplies enough power to the engine while its running. This time it ran but it … If the Headlights of your cars are flickering or getting dimmer in comparison to its usual lightning then there might be some issue with the electrical system. In this guide, we?re taking a look at whether or not a bad car battery can cause electrical problems, and … It seemed like it wanted to start but wouldnt. Check the drive belt. It can also cause the check engine light to come in. You should be particularly concerned if your car battery is charging more than 15 volts. What Drains a Car Battery? I have seen a bad battery affect how a car runs, especially on smaller cars. An overcharging car battery will eventually cause damage to the battery and even other electrical components of your car. You may also hear increased engine noise with the engine performing poorly. Primarily, a bad battery can cause obvious issues with your vehicle?s electrics, but it can also cause a variety of other problems that you may have had no idea were linked with the battery. Number 1 – Bad Battery. Also, the battery may be faulty. Check the battery case for damage. A dead car battery can be annoying, but it can also be avoided. Most people think that if a battery is dead, the car won’t start. So have the battery checked, if necessary. Can a Bad Car Battery Cause Electrical Problems 1. The most common issue is corrosion around the battery posts and terminals, or a loose cable. A bad battery is one of the most common reasons that cars stall. When the exhaust manifold has a leak, it can cause the car to run unevenly or to sputter. With my old Civic, I had a battery die. Either of these will prevent the charging system from properly charging the battery. I tried jump starting the car, but as soon as I took the jumper cables off, it died. Car battery has been sputtering during startup/ignition of late. However, when the car is a fuel injection system the usual cause of misfiring is a clogged fuel injector when the injector is clogged the affected cylinder will be starved of fuel which can then cause the engine to misfire and will result in rough idle which can easily be noticed during startup. If the battery can start the car on its own, without a jump, its good enough to run the car properly while its running. Then today im driving and all of a sudden my car loses power then starts sputtering and died. I did it again and gave it some time to charge before I unhooked the jumper cables. To help prevent a dead battery, you first have to know what causes one. Tried starting it until the battery died. A leaking or cracked manifold is a potentially dangerous driving condition! It didn't seem to be in particularly bad shape when examined by mechanics a month ago. A faulty electrical system in a car can play some very tricky games, and your car’s battery is part of that system. It is important to be able to diagnose overcharging in a car battery. This can the result of … For some time now my stratus has been throwing the battery light. Wonder what causes this, and whether it might cause a battery-acid explosion or acid leak? Have the battery tested and replace it if it's bad. There very well may be other problems causing the sputtering, but a weak battery wil not allow the car to run well. If your car stalls, check out the 6 most common reasons why, how to diagnose the problem and resolve it before you cause an accident. 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