I thank you for your timely response to my issue. The information you provided is valuable to me and greatly appreciated. One more thing this was my first post in this forum and your obvious sarcasm was spot on. I laughed and re-read it several times.....
My 2019 Tahoe developed an odd rattling noise from the engine bay. The issue was diagnosed as the engine making this noise when switching from 4 to 8 cylinders. I would hate to bypass what the vehicle is designed to do. Can the computer be reset so the AFM works properly??
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