What would cause my 2011 Nissan Murano check engine light to come on?

There are a bevy of reasons that Your 2011 Nissan Murano Check Engine Light (CEL) could come on, and without knowing the code, I'm only going to be takeng random stabs in the dark. Some common reasons for this can include a faulty oxygen sensor, which accounts foR8% of all occurrences of illuminated CELs. This, or related catalytic systems, aren't going to cause an issue with safety driving, but is bad for efficiency and the environment. Likewise, any abnormalities the engine control unit (ECU) detects typically are met with the illumination of this light. To be able to better debug it, You can stop by Autozone and have the code read for free, which will help narrow down what's causing it to turn on.