Hi, my Aveo is 2012 T300 1,2 gasoline . I posted here because I have same error 89 .It’s not make warm inside the car, and after several minutes 89 error pops.I stopped immediately, waiting several minutes started again and open the engine cover, the cooling fan it going at maximum. I’ve changed thermostat last Friday as I’ve seen on YouTube but the error appears again and after seconds the red sign indicates water overheating!! I’m afraid is cylinder head gasket pinched. Any suggestions will be helpful. Thanks


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