car consuming too much fuel and on freeway after 50km it's hybrid system overheated

What is your question?

i have toyota camry hybrid 2011 . from the last few weeks my giving me problems first my car consuming too much fuel and the main problem is it hybrid system when i drive on freeway after 50 km it's hybrid system became overheated and it's happened with me every time

What makes this problem better or worse?

it’s worse on freeway

How long has your 2011 Toyota Camry had this problem?

a few weeks