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