Yes it can if it is faluty.
Yes, an unplugged sensor can cause a check engine light.
Yes, it is one of many things that can cause the check engine light to come on.
Every sensor on the engine and transmission can cause the light to come on.
Yes
It is possible.It is possible.
On almost all cars any sensor unplugged can turn on the check engine light.
Replace the faulty speed sensor and the light will reset itself after a short drive.
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.
It could
Not likely. A bad O2 sensor would illuminate the check engine light and the engine performance would suffer.
It should...
The oxygen sensor is one of many things that could turn the check engine light on.The oxygen sensor is one of many things that could turn the check engine light on.