2000 Mitsubishi Eclipse "po125 p1135" Questions

...P1135 1999 Lexus RX300 The PO125 is an indication of an engine running too cold-as if the thermostat were stuck open.For some reason it often sets with the PO1135 even when the engine runs at normal ...

...PO125, P1130, P1135. What should I do? Dont want to more alot into it. It's my sons car at school. Hello. Sorry to hear about your troubles. The P-0125 DTC: Specifically, the "coolant temperature is ...