Why is my car still running without the key?

Your engine will continue to run even when you remove the key from the ignition because the fuel pump is not shutting off. This problem is typically caused by a faulty fuel pump relay or a defective ignition switch.

What does it mean when your car doesn’t start but all the lights turn on?

Broken or Damaged Ignition If your headlights can turn on, but your car won’t crank, that means that your battery is charged, but either the starter or ignition is the problem. If the starter or ignition is the problem, a starter engine can be jumped by using a charged battery.

What causes the diesel engine to stop when the key is switched off?

In simple terms – there is a valve mounted on the rear or side of the diesel fuel injection pump. This valve has an arm attached to it that goes down inside the pump. When you turn your key OFF vacuum is routed through the back of the switch and on to the shutoff valve.

What happens if you don’t have a key in the ignition?

Using the run position just to use just the stereo will drain the battery much faster. The ignition switch also plays a role in keeping your car from getting stolen. Without the key, the switch won’t move to the start or run positions, and will lock the steering wheel and gear selector.

Why does my key not turn on when I remove it?

Issues turning or removing the key. If the ignition key gets stuck when turning on the car or removing the key, it may be a sign of a worn out ignition switch. The key isn’t connecting inside the switch properly. Additionally, a switch going bad may cause the engine to continue running even after you’ve removed the key.

What causes a no start no crank no click condition?

But a no start, no crank, no click condition can be far more involved than that. In the old days, power flowed through the ignition switch and down to the starter solenoid. Not anymore. The ignition switch now talks to the body control module (BCM) and it’s the BCM that initiates one of two relays.

Can a bad ignition switch cause a car not to start?

However, if your car has ignition switch problems, you may not be able to start the car at all. Ignition switch problems can also cause issues on the road, such as unexpected shutdowns or electrical problems. To be sure, ignition switch problems are no fun, especially if they’re stopping you from getting to work or school or play.