I have had my car for almost 2 years. I have always had problems with it my most

What is your question?

My car wont start like if gas doesnt pass thru it i changed th fuel pump n it started work for a day then stop it turns on when it wants too just fed up with it i need a new car and i call chevy to see if theres recalls but they say they dont what should i do.dianosed it and came out p0186 & u18a2