what is the reason for too much oil in the exhaust of a Nissan Xterra 2006 model

What is your question?

when you start the car, there a lot of smoke, and while driving the smoke continues and is greater when you accelerate. again the oil gauge or meter is permanently above the maximum range

What makes this problem better or worse?

when the engine is on, but car not in motion

How long has your 2006 Nissan Xterra had this problem?

2 months