Hi, I can't get my QX60 to start. Battery is good, I can hear the fuel pump engage. I do have an engine code of P0300. Any suggestions? Appreciate your help!!

Is it a no-start, or a no-crank? If it won't crank then chances are you have a bad brake pedal switch. Is there a solid red key lamp on the dash? If so you have an issue with the fob or the security system. If it cranks but won't start then it can be a lot of things. The pump running doesn't necessarily mean the fuel is getting to the engine, or that it's any good. Try spraying something combustible like Brakleen or Gumout down the barrel past the air filter, if that starts it then there's a fuel problem of some sort.

I finally found the issue and resolved it. It was the fuel pump and also had to replace the crankshaft sensor. When I first sprayed some started fluid into the throttle body, the car would not start but after replacing the crankshaft it did.

Note when you are troubleshooting remember to leave the MAF sensor connected. Also 2015 QX 60 has 4 camshaft sensors.