'91 Carat Automatic Vanagon with 166k miles.
I usually get 18 mpg around town and once I even got 22 mpg on a highway run
between NJ and Washington DC.  Usually highway is around 20 mpg.
Of course my mpg went down to 16 when this bucking problem surfaced.  Also
mileage dips a little in winter and is a little better in summer (temperature
and goofy fuel mixtures here in the US).

Thanks,
Ken Wilford
http://www.vanagain.com
John 3:16
Office (856)-765-1583
Shop (856)-327-0027
Fax   (856)-327-2242