Car Stalling After Battery Change

Last Updated on June 21, 2023 by Ryan

Car stalling after battery change could be caused by several issues. It is possible that the new battery does not have enough voltage to start the car, or there may be an issue with the electrical system in your car like a faulty alternator. It might also be due to low fuel pressure or a problem with spark plugs and wires.

You should check for any fault codes stored in your vehicle’s computer and inspect all of its components such as belts, hoses and wiring connectors. If none of these are found, then you should get your car serviced at a professional garage so they can diagnose the issue correctly.

A car stalling after a battery change can be caused by several factors, such as loose electrical connections, incorrect installation of the new battery or poor grounding connection. In some cases there may be an issue with the alternator and it is not recharging the battery properly. If you’ve recently changed your car’s battery and are now experiencing stalling, it’s important to have a qualified mechanic inspect your vehicle to ensure that all components are functioning correctly.

Toyota / Lexus Rough Idle After Battery Change/Disconnect – Idle Reset Relearn Procedure

Is It Normal for Car to Stall After Replacing Battery?

It is not uncommon for a car to stall after replacing the battery. Depending on how old the battery was and how long it had been in use, there are a few possible causes of this issue. If the electrical system was not disconnected or recharged properly during installation, then some components may be drawing too much power from the new battery.

Additionally, if any connections were made incorrectly during installation, this could also result in stalling problems due to lack of electricity flow to certain parts of the vehicle’s systems. Finally, if the new battery does not match up with your car’s specifications or its charging system is incompatible with your vehicle’s setup, then this could cause stalling as well. To ensure that all necessary precautions have been taken before installing a new battery and that it is working correctly afterwards, it is recommended to consult an experienced automotive specialist for assistance.

Why is My Car Acting Weird After a New Battery?

It’s possible that the new battery isn’t compatible with your car, or it may not be working properly. It could also be an issue with the electrical system, such as a problem in one of the charging circuits or a faulty alternator. If the weird behavior has been happening since you installed the new battery, then it’s likely related to its installation or compatibility.

Check all of your connections and verify that they’re secure before seeking additional help from a mechanic.

Car Stalling After Battery Change


Problems After Replacing Car Battery

Replacing a car battery can be a difficult task, and it’s important to take the time to do it correctly. Unfortunately, even when done properly, there are still potential problems that may arise after replacing your car battery. Common issues include corrosion on the new terminals or cables, incorrect installation of the new battery resulting in electrical shorts or other damage to the vehicle’s wiring system; as well as problems caused by incompatible parts or accessories being used during installation.

If any of these issues occur, it is important for drivers to seek professional assistance from an auto repair shop in order to ensure their vehicles remain safe and reliable.

Car Stalling After Battery Change Reddit

If you’ve recently changed your car’s battery and noticed that it is now stalling, fear not! This is a very common issue after a battery change. The reason for this is because the computer needs to relearn its idle speed settings, which can be done by simply driving around for 15-20 minutes.

If this does not work then there may be an underlying issue with the vehicle such as a faulty spark plug or fuel filter. It’s always best to check with a qualified mechanic if the problem persists.

What to Do After Replacing Car Battery

Once you have successfully replaced your car battery, it is important to take a few precautionary steps. Make sure the connections are secure and that all terminals are clean before closing the hood of your vehicle. Additionally, be sure to test out the new battery by starting the engine and checking that all electrical systems within your car work properly.

Finally, check for any signs of corrosion or damage on the cables and connectors which could lead to future problems with your car’s electrical system.


In conclusion, if your car is stalling after a battery change it can be caused by several different things. The most common cause is that the terminals of the new battery are not properly connected or secured to the vehicle’s electrical system. It could also be due to faulty ground connections, corroded cables, or even a bad alternator.

If you suspect any of these issues, take your car in for service as soon as possible to make sure it runs smoothly and safely again.


Leave a Comment