Hi,
Yes, the code is related to the thermostat. Basically, the engine isn't warming up in a given amount of time. In most cases, this is the result of a thermostat sticking open delaying the amount of time for the engine to warm up. As a result, it produces higher emissions.
In most cases, the thermostat needs to be replaced. Here is a link that explains in general how one is replaced:
https://www.2carpros.com/articles/replace-thermostat
Let me know if this helps.
Take care,
Joe
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Saturday, March 25th, 2023 AT 10:46 PM