Engine light come sometime when driving I had the computer scan and the code is PO128 and they said the thermostat is going bad will you explain this code PO128 do I need to replace the thermostat? The engine is not over heating but I don't think I am getting the gas mileages I once was. Will a bad thermostat decrease the gas mileages?
have the same problem?
Sunday, May 25th, 2014 AT 3:17 PM