ok here  goes i hope that you  can  offer some  help  with my  problem
>I  have  a  1988  gl vanagon  i have  drove it  since  i  bought  it  only
>a week  ago  about  500  miles
>I bought gas for it  one night  it  ran fine till  the  next morning  i
>drove it  about  15 miles  after getting  gas
>parked it ,then got  back  in it  the  next  morning after it had sat  over
>night  ,the  outside temp  was  about  24 deg. i  let  it  warm    for
>about
>5min  or so  . I  got  in  it  to go to work about t 32  miles  away about
>7-10 miles  into  the  trip  it  starts to lose power then  at a stop
>light
>it  shuts  off.  i  restart it  and  try  to continue  with my  daily
>commute to work it starts to  chug and  stutter  and   chug ( I am
>thinking
>water in  the  line  )but  i have  since  drained the fuel out  and  put
>in
>i  think good  gas and  2  cans of  dry gas   but  to no avail. also  it
>is
>using   aloooot  of  gas it  has went  through  1/4 tank of  gas in about
>50  miles .I  have  also  replaced  the  fuel filter.( I  am  a 15 year air
>cooled  veteran) I hope  that  you  can help  i  do  my  own work  so
>anyone  that could  help  thank you
>          ok ok I  know that  there is a answer out  there for what   i  am
>going
>through  with my  88 gl  please o mother  please if  anyone  could  help
>let  it  be  now .  my  new  addition  to the  family seems  to have this
>problem
>it  runs  rough it  stalls and  it  chugs and  bucks it  produces black
>puff
>as it  does its thing. when it  gets to operating  temperature  it  does
>this  while it  is  cold  and  not  up  to  the  temp  it  is  ok. i have
>replaced the fuel filter and  that  is it  .I  am an  (15 year veteran  for
>air  cooled  vw's) this  is  a  whole new  ball  game  for  me please  if
>there  is  anyone out there  to help  i  would  love to  hear from you . I
>am going  tomorrow  to get a fuel  pressure gauge but  i have no idea  what
>it  is suppose to be how  much  pressure is suppose to be on the system ?
>how  long  is  the pressure suppose  to be up  to that  mark  after engine
>cut off has  there  been any recalls been on  the vanagon ?is the a  fuel
>pressure regulator ? do they  go  bad  could this  be a  mass air flow
>meter
>problem ? does  the cyl  head temp  switch have anything to do with this
>problem? if  so where is it  located?I  need help  !
>i have  worked  on it for 3 days  and still no fix  now the water temp
>flashes but does not stay  on
>is it  the fuel pressure reg. valve stuck ?
>Darrel