Idling high won't go over 20 mph what's going on?

What is your question?

Went to drive but the car won't go over 20 mph. It is also idling back and forth when in park. The check engine and the light with car and tracks is on.

What makes this problem better or worse?

Nothing

How long has your 2011 Nissan Juke had this problem?

Just started but the idle has fluctuated for a couple weeks but no issues.