How Do I Shut Down A Car Engine That Won’t Turn Off?

Many people will find it strange but sometimes it happens that you tried to shut off the car engine but the ignition switch has been locked. As a result, you won’t be able to turn off the your car. It can be very annoying but you need to fix it out as soon as possible.

There might be many reasons responsible for this problem. But, you need to fix it out as soon as possible. So, to resolve this problem – ‘how to turn off a car engine,’ read below to know the troubleshooting steps you need to perform.

How to Turn off a Car Engine that is NOT Shutting Down?

This issue can arise due to several different sources. You need to identify the potential cause and fix it up before it leads to something big. So, let’s troubleshoot the concern carefully.

Step 1: Check if There is any Electrical Problem

How to turn off a car in the right way
How to Turn off a Car Engine when the Key is Turned Off. Source: Youtube 

When you turn off the car key, do the turn signals or accessories still working? Also, notice if the engine runs efficiently when you put your car in gear and drive away. If yes, your car might have an electrical issue and you need to replace the ignition switch element of your vehicle. In case no, follow the next step.

          SEE MORE:

Step 2: Analyze the Power Relay

It may happen that your car’s engine operates correctly after the ignition switch is detached. If so, you require locating the power relay for the ignition and fuel system. Remove the main relay and check if your car finally shuts down. In case it powers down, you need to replace the main relay. If no, move on to next troubleshooting step.

Step 3: Determine if it’s Dieseling Issue

Check the owner’s manual to determine if your car has a carburetor or fuel injection. If you own a fuel-injected car .i.e. dieseling, you might require replacing the dripping fuel injector. In addition, an erroneous spark plug can also cause dieseling. So, check the spark plug by comparing it with the part digit of the producer’s specifications. Replace it if you hit upon anything incorrect.

Step 4: Diagnose the Stop/Start Button

How to turn off a car automatically
How to turn off a car engine with the keys. Source: The Sun

>> Buy a used car from reliable Japanese seller here <<

Vehicles that come with Start/Stop feature can also fail to shut off the car engine when you press the ‘STOP’ button. The reason may be a defective button. If this Start/Stop button stops operating, it needs replacement. Depending on the car, the knob may be incorporated into the ignition unit and may need a change along with the unit. You can read on some car maintenance tips in case you face some other car issue.


So, the above-mentioned troubleshooting steps can help you when you get stuck with the problem of ‘how to turn off a car engine’ Don’t forget to follow these helpful tips when you stumble on this situation in future.