Can you reset a car by disconnecting battery?
One way to reset computer is by disconnecting your battery cable for 2 to 3 minutes and then waiting to check if the check engine light comes back on as you reconnect the battery then starting the car.
How long do you disconnect battery to reset computer?
Because some of the electrical current is preserved in the computer for a while afterward, most sources recommend leaving the battery disconnected for at least 15 minutes to make sure the computer forgets the code before you reconnect the battery.
What battery terminal Do I disconnect to reset computer?
Disconnect the negative battery cable and then the positive cable with a combination wrench. Clean the battery posts and terminals with the post and terminal cleaning tool, so you have a good connection when you’re done. The best type of tool is the wire-brush type.
When to disconnect the battery from a car?
Some car owners disconnect the batteries of their cars if the cars are going to remain unused for long, such as when one is going away on a long vacation. However, such a vehicle may develop several problems when you reconnect its battery after coming back from your trip. Such problems may even necessitate that you call for breakdown towing.
Can You disconnect a negative battery from a positive battery?
The terminals will be marked positive and negative. Make sure you disconnect the negative terminal first. Lay the disconnected negative cable carefully to one side, making sure it’s well away from the battery terminal. Disconnect the cable from the positive battery terminal in the same way, then lay it to one side.
What to do if your car battery is negative?
If your battery is somewhere else, do whatever you need to do to gain access. Remove the red plastic cover from the battery’s positive terminal. Use your socket wrench or adjustable wrench to loosen the nut holding the cable onto the negative battery terminal. The terminals will be marked positive and negative.
Why does my car stall when I Disconnect the battery?
This article discusses some of those likely problems that you may experience. Your car may stall suddenly as you drive after reconnecting its battery. This may be because the anti-theft system that was installed by the car manufacturer has cut the fuel supply to the engine.