Based on all the information you provided, Yes, It would be nice if you would include the model and year and engine.My crystal ball ain't as good as it once was.
The "Check engine" light will illuminate and a code will set.
Yes, an unplugged sensor can cause a check engine light.
Go to the auto parts store and buy a scanner OBD1 or OBD2 and it will let you know why your check engine light is on and if the o2 sensor is bad
Yes
It is possible.It is possible.
Yes, it is one of many things that can cause the check engine light to come on.
Not likely. A bad O2 sensor would illuminate the check engine light and the engine performance would suffer.
Oxygen Sensor. Or the Knock Sensor. Or you could check the plugs for faults.
On almost all cars any sensor unplugged can turn on the check engine light.
It may be map sensor but engine knocking cause of another reason. You should check your spark plug , I.S.C valve , Injector and engine Compressor. thanks It may be map sensor but engine knocking cause of another reason. You should check your spark plug , I.S.C valve , Injector and engine Compressor. thanks
Every sensor on the engine and transmission can cause the light to come on.
Yes it can if it is faluty.