It could
Yes, an unplugged sensor can cause a check engine light.
some OBD 2 systems have a 4 wire 02 sensor if the o2 sensor is bad it will cause a stall, some times a break in a vacuum line will cause the same effect.
No, it would not. There are many things that could cause a stall at idle. The throttle plate could be dirty as well as the mass air flow sensor. You did not mention the kind of car or engine size. Is the check engine light on, is it when the engine is warmed up or cold?
Have electronic vehicle speed sensor in transmission checked out. It will cause loss of speedometer function and set a fault code(check engine light).
yes it can but also check the speed sensor if your vehicle is equiped with one.
Possible failure of the output/vehicle speed sensor.Possible failure of the output/vehicle speed sensor.
On a vehicle, the check engine light will probably come on. It may also quit or run poorly, depending on the sensor.
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.