I recently bought a 350z and it ran fine for 2 weeks then wouldn't start, I get not codes apart from a steering wheel position sensor code. However I noticed that the throttle wasn't opening and allowing for idle. When I tried cleaning the MAF sensor everything I would spray the sensor the car would rev. I think it's wiring but I have no clue.

 

No CEL?

 

All that comes up is a p0550