Sorry to take so long to respond to your post. I haven't been able to get onto the forum since yesterday.
Make sure you pulled the correct fuses when uploading the tune.
Verify their # and positioning on my 'online install guide' , step # 24.
I've had a few pull the incorrect ones, or none.
It's very unusual to trip the 'too rich' code and these same tunes have been in service for a year.
Check also to make sure you don't have the PCV line pinched.
Clear the codes, pull the correct fuses, check the PCV line, and then reupload the same tune.
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