Need a part identified

ISCV RESET/CHECK

It could be the map, throttle positon and stepper motor are not in sync. Which could mess with the F table and map tables could be sending thewrong info. Since yours is a Roadster and has tune boy you also have two sets of timing tables one set for the F tables and one set for the Lamba tables.
Just thinking out loud.
 
Last night Blaine walked me through how to set the TPS. It helped smooth it out more. It's still going out of adjustment on its own, so I probably need a new one.

I'd like to thank @Speedy for taking the time to talk me through this.
 
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