]I want to talk about setting triggers on certain data pids to aid in diagnosis. I never have really set triggers I have always just did what i had to do while data logging and then went back and viewed the data. I ran into an instance today where I thought to myself if ever there was a chance to use a trigger this is it. 2016 Impala is setting two codes intermittently p2269 and p0178. p0178 sets when the fuel composition sensor is below 45HZ for 6 seconds and p 2269 sets when the sensor is above 185Hz for 6 seconds. data pid was currently at 61 Hz . so I set my trigger from 45 to 185 and began the tap / wiggle test all over the car. I pulled the back seat. trim panels. Finally the air cleaner and when I wiggled the harness in the engine bay the scanner went BEEEEEP! So I thought that was pretty cool. Still not sure triggers are very useful in most other circumstances...
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