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Blue 2020 Passat
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68 Posts

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Registered
Blue 2020 Passat
Joined
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68 Posts
As an experiment in gambling, I filled my tank with Amoco "regular" gas at 87 octane, as opposed to the usual 93 octane premium. It ran fine. I filled it again, this time with Costco "regular". It's still running fine.

Maybe it's just that summer blend is superior to winter blend. I don't know.

Until I notice some sort of deficiency in performance, I'm going with Regular.

oh, and by the way, my WD-40 straw "improvised vacuum jumper" from earlier posting is still working fine.
I never noticed a difference with my '02 Passat Wagon between premium and regular fuel.
 
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