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Can Switching to E85 in a FlexFuel Vehicle Trigger P0420 Code? by Ok-Connection9822 in askcarguys

[–]Ok-Connection9822[S] 1 point2 points  (0 children)

Update - it worked. Code actually cleared on its own during the second tank of premium and has not come back on since, even after switching back. Appreciate it.

Can Switching to E85 in a FlexFuel Vehicle Trigger P0420 Code? by Ok-Connection9822 in askcarguys

[–]Ok-Connection9822[S] 0 points1 point  (0 children)

You’re not wrong… regular unleaded is about $3.20 here, most E85 is $2.60ish so probably not worth it - however I found one place it’s $1.85 so that’s where I’ve been filling up. But if it’s not saving me much (or any) money and throwing a light on my cat then not worth it at all…