Can A Bad Car Battery Cause Check Engine Light

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.

Can a bad car battery cause check engine light.

Battery issues do light the engine light on due to low voltage caused by corrosion. When a battery is faulty or undercharged it won t be able to send the right amount of energy to your vehicle s computer. Your battery looks misshapen swollen and plump. In case your car battery can not generate the correct voltage then your car s computer can act up in many different ways.

If you drive a newer model car you may also have a handy battery warning light on your dashboard. Alternately you can purchase a gas cap for a few dollars online or at an auto parts store. Most car problems emanate from a faulty undercharged battery or a poor electrical connection. It is entirely possible that the battery was faulty causing low voltage at the computer.

This may cause the check engine light to flip on. So many of today s car problems are caused by faulty undercharged batteries or poor electrical connections. Most good shops today will test a car s battery before. It is entirely possible that the battery was faulty causing low voltage at the computer which in turn can turn on the check engine light.

When you take your car to the mechanic he will test your car s battery before doing any further diagnostic testing. Check engine light will probably come on. It can drain the battery trigger the check engine light or even prevent the vehicle from starting. If you have a bad car battery it can make your car s engine computer ecu act a little bit nutty.

And a starter doesn t do. An aftermarket alarm can wreak havoc on your car if it s not installed properly. Can a bad car battery cause the check engine light to come on youtube will my engine light come on if starter is bad. All you need to do is take the old one off.