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Can a Bad Car Battery Cause Engine Misfire? Knowing the Truth

Engine misfires can be frustrating at times. Knowing that your engine is not delivering the intended power can give you a trouble-laden ride. Most of the times people relate engine misfiring to bad car batteries, but is it so? If the question: Can a bad car battery cause engine misfire? has been influencing your thought process, the following section becomes a must read.

Can a Bad Car Battery Cause Engine Misfire?

When there is a problem with the ignition system of your car, it may result in an engine misfire. This implies that there may be a probable imperfect combustion process within the cylinder.

When looking for reasons for such misfires, a bad car battery is what comes up in mind. Read through to find out the truth behind the same.

1. How Can a Bad Car Battery Lead To A Misfire?

You know what a fuel pump is, right? If not, then it would be interesting to know that fuel pump is a device that aids in pumping liquid fuel to the internal combustion engine. It is the low battery of your car that can affect this fuel pump adversely.

In simple words, a low car battery can lead to slower processing of fuel pump. This condition can further lead to “lean fuel”. Another thing a bad battery can lead to is the improper opening of certain injectors. All these conditions together can cause misfiring of the engine.

Explore how can a bad car battery cause engine misfire
Find how can a bad car battery cause engine misfire

So the next time you wonder how can a bad car battery cause engine misfire, we hope you’ll have the answer.

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2. Consequences of Misfiring

If cylinder misfiring occurs due to bad car batteries,

Can a Bad Car Battery Cause Engine Misfire?

it can lead to damaging the engine greatly. The lean fuel condition as discussed in the above section would lead to overheating of the engine. This could further harm the valve or the piston.

Thus, you will experience a loss of power when driving. The internal components of the engine would rotate unevenly, further causing wear and tear that would become expensive to repair. Another thing that can be a consequence of misfiring is the emissions. Black exhausts are particularly witnessed that can reduce your carbon footprint greatly. You could also explore through maintenance tips to know more about emissions.

3. Things to Keep In Mind

A normally charged battery is inbuilt with 12.65 volts. You can check it with the help of a voltmeter. In case the reading varies to up to 12.45 volts, it should be pretty fine. But anything below that line could be a warning sign. This is where a battery replacement is required.

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One should also know that sometimes even a fully charged battery could turn out to be bad due to lack of its overall output. This is where conductance tester could be helpful. In a conductance tester, a frequency signal is transmitted through the battery. This helps in knowing as to what part of the plate is not having good conductance. The process helps in accurately knowing the condition of the battery.

Answers to How Can a bad car battery cause engine misfire
How Can a bad car battery cause engine misfire knowing the truth

If all these tests produce results indicating that a battery replacement is required that should be done on priority basis. Remember to install batteries with same or higher CCA ratings and that the batteries should be fully charged prior to installation.

Conclusion

Can a bad car battery cause engine misfire? Yes, it can! Though people may suggest you against it, this could be a probable reason. Getting your cars checked and replacing batteries could help you a great deal when looking for a reliable solution.