p0300, p0301, p0303, p0306, p0340, p0455 showing all the 300's are multiple misfire (300) 301 is misfire at cyl#1, 303 is cyl#3, etc. 340, is camshaft position sensor malfunction, and 455 is a Leak in
2,768 questions posted
Usually answered in minutes!
2,188 Questions
1,825 Questions
1,627 Questions
1,161 Questions
1,048 Questions