Depends on the vehicle, but most of the time no.
There could be an issue with a sensor which could be making your check engine light remain lit. You would be advised to see if your local mechanic can help fix the problem.
It could cause the check engine light to come on with a code concerning cooling system/thermostat performance.It could cause the check engine light to come on with a code concerning cooling system/thermostat performance.
Have the system checked for codes, that will lead you to the cause.
A low battery can cause the electrical system to flash check engine lights
The light should be on before starting, and for 3 seconds after starting, as a bulb check.
check the exhaust system
The check engine light is on because the ECM (Engine Control Module) detects a problem with the system. Until the problem is fixed the light will remain on. Your local auto parts store can scan your ECM and retrieve the code(s) to help analyze what the problem is in order to make corrective repairs. If you continue to drive the vehicle with the check engine light on you may cause more damage and increase the cost of repairs.
Yes, an unplugged sensor can cause a check engine light.
The main relay will give an check engine light to indicate that the electrical system is bad.
No, oil level does not cause the check engine light.
no a burnt out headlight will not cause a check engine light but if you go to most of the part places they will check the check engine light for free
Yes, water can cause a misfire, which will cause the check engine light to flash.