What happens if you disconnect the battery and run the engine?
If you disconnect the battery and the car conks out, you don’t know if it conked out due to insufficient alternator current, or whether the resulting transients caused your ECU (the car’s computer, which controls fuel mixture, timing, and much more) to spit out bad data, shutting down the car. Nobody should EVER run your engine without a battery.
Can a new battery cause an engine to stall?
Step 2 – Sometime a high idle condition can occur after a new battery has been installed, this is the opposite of the engine stalling but share the same malfunction, the computer is unable to control idle speed. Simply drive the vehicle for a short time for the idle to subside to normal operation.
What to do when a new battery is installed?
Step 1 – After a new battery has been installed, the engine could idle low or stall out altogether. When this happens hold the accelerator pedal to help engine to continue to run.
What happens when you disconnect the main power source from a car?
When the main power source is disconnected or reconnected it has a small chance of knocking out the computer idle memory learn procedure which has to be relearned to continue normal engine idle operation.
If you disconnect the battery and the car conks out, you don’t know if it conked out due to insufficient alternator current, or whether the resulting transients caused your ECU (the car’s computer, which controls fuel mixture, timing, and much more) to spit out bad data, shutting down the car. Nobody should EVER run your engine without a battery.
What happens if you replace the battery in your car?
This can cause something minor, like the clock to lose its time, but it can also lead to engine stalling or even a failed smog inspection. In order to avoid this issue, it has become more and more critical that power is supplied to the electrical system while the battery is disconnected, for any reason, including replacement.
Can a car stall after the battery has gone dead?
In general, it’s not uncommon for late model vehicles to stall after the battery has gone dead or has been disconnected and as we just learned from my friend last Saturday, with a no start your first step should be to make sure those terminals are clean, attached, and tightened!
What should I do if my car battery has been disconnected?
Herculean strength isn’t necessary, but the cables should be snug and not move around or come off of the battery posts. You can also check your owner’s manual for any procedures or drive cycles you can perform to “teach” the car functions it may have lost while the battery was disconnected.
Is it bad to remove the battery while the car is running?
Removing the battery with the car running is a bad idea. Rather than re-writing something which exists on the interwebz, I pulled this from Troubleshooters.com under the section called Automotive Troubleshooting: Your battery does more than just provide electricity.
What happens when an alternator does not have a battery?
Not having a battery will create an extra load on the alternator’s voltage regulator. Typically, alternators die from bearing failure, but the second cause of death is regulators.
Why does my car shut off when I turn the key?
The ignition switch is installed behind the ignition lock and get’s turned while you turn the key to start the car. Inside of this switch, small metal plates can build up corrosion and rust. If this happens, one of these plates may lose connection, and the whole ignition will get switched off.
Is there a positive battery terminal for Nissan?
Everbuilt Positive Battery Fuse Block + Terminal + Two M8 Nuts Compatible for Nissan 2004-2015 Many models. Fusible Link Fuse Holder 24380-79915 2438079915 . . Only 7 left in stock – order soon. .
Why is the battery on my Nissan Club Dead?
This morning the battery was completely dead. The only light that came on was the little “Vehicle Immobilizer System” icon (in the upper right hand corner, looks like a little red car with a key on it). At first I thought my I-key battery died, so I got my spare and tried to start it again.
What should I do if my Nissan battery dies?
They said the battery was ‘low’, but they wouldn’t repalce it cause it wasn’t dead. Told her the next time it does it, call Nissan Roadside to tow it in with a dea battery and it will be replaced. Sure enough it died again, we called Nissan Roadside and told us it would be $80 to have it towed….
How to fix stalling after replacing car battery?
Step 3: Disconnect the old vehicle battery and remove it. Step 4: Insert the new vehicle battery, use a battery brush to clean the cable ends and battery posts, connect and tighten the cables, and make sure the battery is secured in place. Step 5: Disconnect the memory saver immediately, before starting the car.