Quote:
Originally Posted by gpsman1
Ken, once the Ford gets hot, 140'F is hot enough to keep it in the best FE "stage".
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It is very strange to me.
All Toyota hybrid engines have 80+C(176F) thermostat and they try to maintain approx. 189F(87C) even on driving with P&G.
The 140F range looks over cool area and your thermostat is maybe defective.
I would like to suggest that the FEH thermostat specification needs to be checked.
Ken@Japan