Could A Bad Battery Cause The Check Engine Light To Come On

Third attempt to start the car and the light remained on.
Could a bad battery cause the check engine light to come on. Some message boards indicate that a change to a new battery could cause the light to come on while other message boards say battery and check engine light are no where related. It can drain the battery trigger the check engine light or even prevent the vehicle from starting. When you take your car to the mechanic he will test your car s battery before doing any further diagnostic testing. In general five common malfunctions can cause the check engine light to come on and some of them are simple to fix yourself.
With a faulty battery there s bound be low voltage at the car s computer which may cause the check engine light to come on. A flashing check engine light means that you need to pull over immediately as your vehicle has a serious issue that could cause severe engine damage. Most car problems emanate from a faulty undercharged battery or a poor electrical connection. If the battery is low then it can cause the check engine light to come on and other electrical issues to occur.
This may cause the check engine light to flip on. A weak battery could also be the culprit but for a different reason than you may think. It is entirely possible that the battery was faulty causing low voltage at the. An aftermarket alarm can wreak havoc on your car if it s not installed properly.
If the battery is giving you problems then it should be replaced and the computer scanned for codes to see what is going on. Generally a flashing cel indicates that the engine is misfiring which can damage your engine or catalytic converter. Let s take a look at the most common issues. The car had been starting fine but they claim it was a battery problem.
They replaced the battery and the check engine light is off.