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.
Depends on the vehicle, but most of the time no.
Yes, it can cause check engine light to come on. Reasons are multiple - anything from air/vacuum leak, spark problems etc. to major failure.
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
Check engine lights can come on for a number of reasons. If you didn't get the cable right or got a sparks when connecting or disconnecting that could most definitely cause problems with the check engine light or even blow the alternator fuse.
The light should be on before starting, and for 3 seconds after starting, as a bulb check.
Yes, an unplugged sensor can cause a check engine light.
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.
The check engine light is reset with a scan tool after repairing the cause of the fault.The check engine light is reset with a scan tool after repairing the cause of the fault.
No, low gas cannot cause a Check Engine light to turn on. There would have to be a problem within the engine or the engine wiring for that light to come on.
why does the engine light remain on after starting