ENGINE HOT a/c on .!!!

Asked by Guwap7 Jan 17, 2017 at 10:16 AM about the 2009 Chevrolet Impala LS FWD

Question type: Maintenance & Repair

My 2009 impala ls has the code *engine
hot a/c on " on dash .... changed out the
coolant temperature sensor and the light
still illuminates .... what should be my next
step .??? Please help .!!!!!

6 Answers
3,985

banzay answered 7 years ago

Is the fan working? If not, this might be your problem. Check the coolant lever and check the hoses from the radiator if hot (just touch and let go). This would show if the thermostat is ok. Also you could step out of the car and leave the interior fan on the highest mark to see if temperature is coming down.

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30

GuruYBH7Y answered 6 years ago

This problem is not from the coolant level, temp sending unit or thermostat. When code comes on the temp guage drops to 160. The engine is NOT hot. Disconnecting the battery for about 1 min clears the code. For awhile, then it returns. Still looking for cause.

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20

Guru11TT9 answered 5 years ago

Does anybody know what was done to fix that Impala with the Engine hot A/C hot?

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