The service engine light is the same thing as a check engine light.
No, oil level does not cause the check engine light.
Yes, the Service Engine Soon light is the same as the Check Engine light.
That is the same as a check engine light. See related questions below.That is the same as a check engine light. See related questions below.
Yes.
Yes.
They are the same thing.
i had the exact same problem with our 91 voyager, i cleaned the battery terminals and the problem went away immediately
The same way you turned it on
Check the plastic "Molex" connector at the firewall. Disconnect and reconnect. Same thing happened on my 1894 Maxima; could drive the car but the tachometer and other gauges stopped working.
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.
The service engine soon is the same as a check engine light. It has nothing to do with an oil change.