Today my 2006 Impala says on the message center "Hot Engine A/C Off". What does that mean? I am not under warranty (47,000 miles on odometer) and I only have 3 months left on my lease and hate to spend a penny on this car that has only been headaches.
It means you need to turn off you aircondition coz the engine has high temperature. but if your not using aircon you have a defective thermostat replace it at once.
I think its the temp acting up sensor ours just did it but I unhooked the batt. for a min. hook it back up and it went away we'll see if it comes back so far so good.
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my car did the same thing and I end up having to get a new engine.
I think that this is a matter of a bad sensor, as my car says the same thing, even when you first start the car, when it couldn't possibly be hot. You don't necessarily need a new thermostat, it may be a temperatue sensor. I think that I will take it in to GM, and see what they say it needs. Good Luck!
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