Quote Originally Posted by Reaper View Post
I currently drive a 1999 Lexus RX300. It has 249,500 miles on it and it started knocking two days ago. Today, I got the oil changed and its even worse..I'm about to go put some lucas oil in it, but its now thrown a check engine light and was struggling on the way home. Am I fucked?

Thanks.
There is no such thing as a "pour in mechanic". If it is indeed a rod knock then yes, you are fucked.