Wence;
Before we change a part which abt 800 USD and still may have warrenty if it operational life is less then 5 yrs. or less then 3000 hrs. let us install a Generic Service Tool (GST) on the OBD II link which is taped to the wire harness under the cup holder of the dash and find out which P code is being displayed so we can determine more accurately what is taking place and is the cause of the issue.
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.