Why is my engine not turning off?
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 does it mean when your ignition won’t turn?
Common reasons the ignition key won’t turn include attempting to use a key for a different vehicle, or a locked steering wheel. You can unlock the steering wheel by turning the steering wheel from side to side while simultaneously turning the ignition key on.
Why is my motor dieseling?
Dieseling or engine run-on is a condition that can occur in spark-plug-ignited, gasoline powered internal combustion engines, whereby the engine keeps running for a short period after being turned off, due to the engine kicking back upon shutdown, drawing fuel through the carburetor, into the engine and igniting it …
Why is my engine dieseling?
Dieseling is a common problem with high compression / high performance engines, especially in warm weather or when the engine is hot. In this case, it’s usually caused by running “cheap” gas with inadequate octane. In this case it can usually be remedied by switching to a higher octane fuel.
Why does my Mercedes engine not turn off?
Last but not least, the issue with this Mercedes was the engine not turning off when the key was removed from the ignition. While the instrument cluster lights would turn off once you removed the key, the engine would still run.
What does it mean when your car won’t turn off?
It can be very frustrating when it doesn’t. 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.
What to do if DTC c0550 does not reset?
Repair as necessary. 3. Clear DTCs and turn off the ignition for at least 2 minutes. 4. Turn on the ignition and wait for 40 seconds. If DTC C0550 does not reset in the CCM, it may have been induced by a low voltage condition. If DTC C0550 resets as a current DTC, follow the normal SI diagnostic procedure.
Why is my climate control not working on my Mercedes?
The sensor can technically fail but as you are already noticing there is something else major going on here. Another issue that this particular car developed was the climate control would randomly stop working. Other times the climate control would operate completely normal. Next, the battery warning light came on.