Why does my car engine keep running after I turn it off?
Running-on is when the engine continues to turn after you’ve switched off the ignition because the fuel /air mixture is being ignited by a hot-spot in the combustion chamber . The problem can be so bad that the engine runs on for a minute or more if left alone.
Why does my engine not stop?
If the engine continues to run just as before you turned it off ” as if you hadn’t turned it off at all ” your ignition and fuel system are not shutting down. In that case, your car has an electrical problem that needs to be addressed. Either your ignition switch element or a power relay needs to be replaced.
What to do when your car won’t shut off?
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.
Why is my car still making noise after I turn it off?
Constant circulation of air and cooling fluid through your car’s engine can cause small cracks in hoses, breaking their vacuum seal. If you’re still hearing whistling after your car is turned off, the noise may be coming from your car’s radiator pressure cap.
What causes engine Dieseling?
In a gasoline engine with a carburetor, dieseling occurs when the engine continues to run even after you have shut off the ignition. The hot spark plug continues to detonate the fuel, and the carburetor simply supplies the fuel, because it is not always controlled electronically.
How do I stop my engine from Dieseling?
How to Stop My Car From Dieseling
Can timing cause Dieseling?
Dieseling can occur for several reasons: Similarly, hot vaporized oil gases from the engine crankcase can provide ample fuel for dieseling. Incorrect timing. An engine that runs too hot or too lean may produce an environment conducive to allowing unspent fuel to burn.
Will timing make engine run rich?
A well timed ignition will allow the engine to run powerfully and efficiently. The timing needs adjustment when the engine runs too lean or too rich.
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