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Ivans Prep - TPS before or after?

CaptainAwesome

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Dec 31, 2022
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Getting things prepped to send my ECU to Ivans.

I am not sure if the "doesn't matter when you do it" is for everything or just the CO codes. Seems to me that with all the fueling changes setting the idle and TPS would probably be affected by the ECU flash.

But it's Saturday and doing it now would give me something to do over the weekend, lol.

So does it actually affect anything?
 
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