https://www.ifixit.com/Answers/View/375020/Engine+codes+p0305+and+p0306+misfires+diagnosed
SOLVED: Engine codes p0305 and p0306 misfires diagnosed? - Lexus - iFixit
Ty Gordon, The car possibly is going into limp mode because of misfire, for this reason take care of the misfires first. The P0305 /P0306 code, cylinder 5/6 is...
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