Normally when you replace the battery you disconnnect the computer and it should clear any codes stored. (The codes are what turn the check engine light on.) More than likely the cause of the light coming on is due to a vacuum line that was pulled loose when installing the battery. I had the same thing happen and it was caused by a vacuum line going to the cruise control. As soon as the line was reconnnected the light went off. You may want to have the codes checked by a reliable source such as Car Quest or any good mechanic if you can not find the problem. Autozone does the code check for free!
Yes, it's possible, but unlikely
Check for a weak or dead battery Check for loose or corroded battery cables Could be a seized engine Could be a bad starter or bad starter solenoid
If your fire alarm is still beeping after replacing the battery, it could be due to a few reasons such as a faulty battery, improper installation, or a malfunction in the alarm itself. It's important to check the battery connection, ensure it is the correct type of battery, and if the issue persists, consider replacing the alarm unit.
There could be a few reasons why your garage remote is not working after replacing the battery. It's possible that the battery was not installed correctly, the remote needs to be reprogrammed, or there could be an issue with the remote itself. Try checking the battery installation, consulting the manual for reprogramming instructions, or contacting the manufacturer for further assistance.
the battery could have a dead cell, this could cause it to not charge. Have the battery tested to be sure.
It could be the alternator or an electrical issue
There could be several reasons why your Liftmaster remote is not working after replacing the battery. It could be due to a faulty battery, improper installation of the new battery, a malfunction in the remote itself, or a problem with the garage door opener. It is recommended to check the battery, reinsert it properly, and if the issue persists, consider contacting Liftmaster customer support for further assistance.
The starter could be bad. Or the battery. The starter could be bad. Or the battery.
The battery has a dead cell or short and needs replacing.
take it to a shop
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More than likely the battery has a dead cell and needs replacing. It can also be something is on pulling power from the battery.