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      05-23-2018, 09:31 AM   #5
dparm
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Drives: C7 Corvette Grand Sport
Join Date: Jun 2013
Location: Dallas, TX

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Quote:
Originally Posted by Flyboy161 View Post
Thanks, I like doing sanity checks occasionally. I'll pull INPA up now that it's post spark plug change and see if it reads any different on the percentage of spark plug life remaining. With regards to ISTA-D, it won't write to the modules, but ISTA-P will. I'm going to have to dig some more on that note.
AFAIK the ECU has no way to determine how worn the plugs are, hence the fixed interval of 37k.
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