KTM 790 Duke Forum banner

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2020 790 duke
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Discussion Starter · #1 ·
So question I have a power commander 5 for my 790 duke and I am aware I cannot change any of the AF below 4 thousand rpm without removing the o2 sensors which in return will give me a check engine light. My question is if I also install a auto tune kit with wide band 02 sensors will the check engine light still be present?
 
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