Let s take a look at the most common issues.
Could a bad battery cause the check engine light to come on.
If the battery is giving you problems then it should be replaced and the computer scanned for codes to see what is going on.
An aftermarket alarm can wreak havoc on your car if it s not installed properly.
In general five common malfunctions can cause the check engine light to come on and some of them are simple to fix yourself.
So many of today s car problems are caused by faulty undercharged batteries or poor electrical connections.
If the battery is low then it can cause the check engine light to come on and other electrical issues to occur.
Generally a flashing cel indicates that the engine is misfiring which can damage your engine or catalytic converter.
It is entirely possible that the battery was faulty causing low voltage at the.
This may cause the check engine light to flip on.
I want to believe the shop but the battery was only a couple.
Most car problems emanate from a faulty undercharged battery or a poor electrical connection.
Third attempt to start the car and the light remained on.
When you take your car to the mechanic he will test your car s battery before doing any further diagnostic testing.
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.
The car had been starting fine but they claim it was a battery problem.
A weak battery could also be the culprit but for a different reason than you may think.
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.