I want to believe the shop but the battery was only a couple.
Could a bad battery cause the check engine light to come on.
Most car problems emanate from a faulty undercharged battery or a poor electrical connection.
If the battery is giving you problems then it should be replaced and the computer scanned for codes to see what is going on.
This may cause the check engine light to flip on.
The car had been starting fine but they claim it was a battery problem.
An aftermarket alarm can wreak havoc on your car if it s not installed properly.
They replaced the battery and the check engine light is off.
A weak battery could also be the culprit but for a different reason than you may think.
If the battery is low then it can cause the check engine light to come on and other electrical issues to occur.
It is entirely possible that the battery was faulty causing low voltage at the.
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.
When a battery is faulty or undercharged it won t be able to send the right amount of energy to your vehicle s computer.
Let s take a look at the most common issues.
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.
It can drain the battery trigger the check engine light or even prevent the vehicle from starting.
In general five common malfunctions can cause the check engine light to come on and some of them are simple to fix yourself.
Third attempt to start the car and the light remained 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.