Thank you for the information.
Just want to clarify a few things , so I apologize if the questions seem simple. Low fuel pressure could cause the P0300 misfire code? I guess I dont really understand what its detecting so just making sure that if the fuel pressure is the issue that the code isnt another one in wait.
And as for checking the fuel pressure, Im assuming that that test port should be at the correct pressure when the key is on and would not need to be running? Thanks again for your help, will pick up a pressure tester tomorrow and see what it says.