If your boat motor keeps running after turning the key off, it could be due to a phenomenon called "dieseling," where the engine continues to run from residual heat and fuel in the combustion chamber. This can also happen if there's an issue with the ignition switch, such as a short circuit that keeps the ignition system engaged. Additionally, a malfunctioning fuel system or a stuck throttle could cause the engine to receive fuel even when the key is off. It's important to address this issue promptly to prevent potential damage to the engine.
It is called dieseling and it is caused by either your motor being hot or there is some fuel vapor left on the inside of your intke.
Firing as in starting and running, no.
What would cause my fan to keep running after turning the car off it is a 2005 kia sorento
If you want to keep the bait alive you do.
If the engine is overheating, running the ac will make it overheat faster. The ac only cools the inside of the car, it actually adds heat under the hood.
Keep engine running idle speed
Your diesel vehicle might keep running after turning off the key because there is still enough fuel in the system to allow it to idle. In many diesel vehicles, the engine is stopped by choking the fuel.
It could keep the engine from running, but not the valves from moving.
Make sure you are shifting it at very low idle speed. Outboards have a built in mechanism to keep owners from shifting at too high rpm and damaging the drive train.
The blower motor will operate when the key is in run regardless of whether the motor is running. The AC itself is not operating as the compressor is turned by the motor.
Failed limit switch, or bad wiring. The motor will keep running until the headlight finds "home" ... ergo a failed limit switch as mentioned above. The sensor at the "home" position (headlight off) has to be tripped by the headlight assembly before the motor will shut down. The motor has no idea where the headlight physically is ... it keeps running until the switch is engaged.
keep it aboard the boat when in operation.