How do you fix stalling and other issues after changing battery?

Step 1: Start the car. If it feels like it’s going to stall, give it some gas to maintain the idle speed. Continue to do this until your vehicle is fully warmed up (watch your temperature gauge). Step 2A: If it’s idling smoothly on its own, turn on the air conditioning to see if it still idles smoothly.

What causes a new battery to go bad?

Deep discharges, heat, vibration, fast charging, and overcharging all accelerate the “aging” process. Approximately 50% of premature car battery failures is caused by the loss of water for normal recharging charging due to the lack of maintenance, evaporation from high under hood heat, or overcharging.

Why is my car not starting after replacing battery?

Fuses and Ignition Switch Another reason as to why your car might not start after having a new battery installed is due to faulty fuses and ignition switches. If the battery and the alternator are working correctly, then you might want to check for a blown fuse or a faulty ignition switch.

Why does car shake after new battery?

The ECU needs to relearn its fuel trims — it’s normal for the idle to be unstable for the first couple drive cycles after disconnecting the battery (which is obviously required to install a new battery, so it applies to your situation).

What happens when you put a new battery in a car?

In some cars, it can last for as long as a decade without any repairs or maintenance. However, if the alternator does fail, the car can still run for a limited time on just battery power. Unfortunately, once the alternator stops charging, you will find that your car won’t start after a new battery has been installed.

When does a car battery go into disuse?

Disuse If you’ve let your car sit idle for awhile without using it, usually at least two weeks or more, then your battery might have lost enough power that it can no longer start your engine.

Is it possible for a car battery to go bad?

More often than not though, the vehicle is completely fine other than a battery that’s acting up. Car batteries are probably the most volatile component in the car, and it doesn’t take much for them to go bad. They only have a shelf life of a few years, and they’ll die quicker because of things like disuse, corrosion, and faulty connections.

How long should a new battery be charged before charging?

Charge till 100% full, however long it takes. Let it trickle after that for say 30 minutes (means leave it connected to charger after it reaches 100%). From there use it in one go without charging until almost 0%. Then charge it in one go without interruption till 100% full. You can let it trickle a little bit. The above is called calibration.

Why does my car not start after I replace the battery?

Evaluating Your Car’s Key Systems for Possible Failure. There are many other possible problems that could lead to the fact that, after you’ve replaced the battery, the car won’t start. One or more of several key systems might not run properly, or there could be a serious malfunction with the electrical system.

Disuse If you’ve let your car sit idle for awhile without using it, usually at least two weeks or more, then your battery might have lost enough power that it can no longer start your engine.

How can I tell if my battery needs to be replaced?

If one or more cells is very low after fully charging the battery, that’s a sign that the battery needs to be replaced. Another way to check your battery is to use a more expensive tool called a load tester.