Hey guys my 08 rxt keeps coming up with the check engine light and the knock sensor code I know that I did not put fuel stabilizer in the ski befor I winterized it also I pick up a shark hook and a bag when I evacuated my house for hurricane sandy but I got them both out I dumped it in Saturday and kept getting the code for the knock sensor and ideas I also put 5 gallons of fresh 93 octane in her any advise would help thanks