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Good day to all!
I am a new member. I wanted some guidance if I need a fuel system flush for a 2021 Cayenne Hybrid as advised by dealer since 93 octane is not common in my area. Thank you.
 

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Exactly what does their flush consist of? And what octane are you using? If you're worried about deposits, I'd suggest adding a bottle of Techron before an oil change - to a full tank of fuel.

BTW - I'm moving your post to the correct forum - which is for the Series-3 Cayenne vehicles. The forum you posted in (New Members Introduction - New Member Introductions) would be a good place to post an introductory message about you and your Porsche(s)..
 
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