I drove my car to work which is 80 miles round trip with original tune without SES. I flashed it the next day and it start throwing SES. I even reflash it to make sure it wasn't a flashing error.
I checked my connections and tighten the two clamps for the short rubber hose. Cleared the code and drove about 60 miles and SES light came back. Going to pull the code again today.
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