My 05 has a red ring that says diesel only that snaps on the lip of the filler tube. Since it also fits my wife's '91 I may order one for her car just in case. I have looked on the Star EPCnet and can't find the thing, I need to look at it again to see if it has a part # on the ring.

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'10 Chrysler T&C Stow-N-Go White. Grandpa's ride.

'13 Chrysler 200 Touring Candy Red. Grandma's ride.

Age and cunning will always over come youth and vigor.