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So in the trends the knocking event which is causing the timing to retard is actually my AC compressor turning on. The old compressor is being picked up by the knock sensors as structure born noise...

Thanks, i have made that change, i will update later when i get more data

This file was created in +6 CST, if you are in MD, you are one hour ahead so the time stamps will be off by an hour.

No its the correct trend. It starts at 805 am

I was trending my truck today on the way to a side job. I was trying to figure out whey my ignition was retarding almost like clock work, i noticed at the 8:45:45.652 mark that when i turn my AC...