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Subject Low Octane Flag in Conzult
     
Posted by Metacom on June 14, 2016 at 8:36 PM
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Message I've noticed a couple times now in Conzult on my stock 96NA the red lettered "low octane" flag will show up from time to time without any discernible trigger.

I always use 91+ octane gas.

Both sets of upstream and downstream O2 sensors have been replaced, but this happened before that as well. No codes.

Can anyone explain how the ECU will decide to run low octane fuel maps?

     
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