Quote:
Originally Posted by upallnight
This what the OP stated
The shop is saying that my thermostat need replacing, this from their computer, no indication on the dash
A failed thermostat will not set off a check engine or service engine soon light, but it will be logged into the DME as a problem, which can be retrieved if you have the proper software connected to the car.
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Nope you are wrong. My check engine light got set off. Thermostat is directly related to emissions. Car can't warm up fast enough, means it is running rich, and will throw a check engine. I got an error something like cooling below threshold/thermostat stuck open, with a basic OBD2 scanner. Something more advanced with INPA, but check engine definitely lit up for this error.
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