Quote:
Originally Posted by ProDarwin
In regards to the IAT out of range... in my car the coolant temp sensor and intake air temp sensor are the same part number 
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This is probably the case with a large number of vehicles - however, that doesn't necessarily mean that the ECM is expecting the same range of temps from both. In fact, I can guarantee it's not.
If the air temp sensor ever reached over 215degF, You can bet your sweet gas fumes that puppy would kick the CEL on. But for the CTS, that's normal.
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