Early generation lll Priuses
Early generation lll Priuses had recalls covered for up to 150k miles. I had 2010 and did cleaned the lines and the intake passages and the motor and still was getting the code every now and then! On my second 2010 Prius, I only replaced the motor with a used from junkyard and it went away! I wouldn't worry about the other Toyota Hybrid models. I am not a big fan of the early lll Priuses because of head gasket issues too. I have had 2009 & 2013 Camry Hybrid with a lot less troubles. They are down on the price too because are not as popular as Priuses.