If it screw directly in to the exhaust pipe that would be your O2 Sensor..

Namaste
Stephen

85 Vanagon
  -----Original Message-----
  From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM]On Behalf Of
Mark Dorm
  Sent: Wednesday, December 27, 2000 10:36 PM
  To: vanagon@GERRY.VANAGON.COM
  Subject: Re: hiccups/hesitations

  Is the temp II sensor above the exhaust piping? I have this little leak
coming out of some wiring thing that leaks down onto the exhaust pipe.

  >From: Zoltan
  >Reply-To: Zoltan
  >To: vanagon@GERRY.VANAGON.COM
  >Subject: Re: hiccups/hesitations
  >Date: Thu, 21 Dec 2000 14:45:54 -0800
  >
  >Temp II sensor?
  >----- Original Message -----
  >From: "Paolo"
  >To:
  >Sent: Tuesday, December 19, 2000 1:10 PM
  >Subject: hiccups/hesitations
  >
  >
  > > Dec 19, 2000
  > > I sincerely would appreciate any help with this problem.
  > >
  > > '87 Westy
  > > 90,000 miles (drive about 4k a year- not used much-mint)
  > > Original owner (new problem -never happened)
  > > Checked rotor,cap, wires and installed new fuel filter and 3 cans of
gas
  > > treatment (for water absorption).
  > >
  > > Symptoms:
  > > The van will hiccup or hesitate and lose power momentarily for maybe
half
  > > a second, like a hiccup. I watched the tach when it does it and it
does
  > > not go down to zero or fluctuate at all maybe when the hesitation is
  > > about a second it may drop one indicator line on the gauge. The
frequency
  > > of this happening is now increasing- maybe once every 4 or 5 min.
  > > When it happens: Uphill, cruising and downhill with foot on throttle.
  > > Does not happen: Downhill with foot off throttle, 1st gear or at idle.
  > > Possible areas- let me know what you people think:
  > > fuel pump relay
  > > fuel pump
  > > ignition switch
  > > distributor pick up (hall?)
  > > air flow meter
  > > ECU
  > > I have the Bentley and a multi-tester, and fairly competent on many
  > > repairs. I can also cook!!
  > > Cheers, and TIA
  > > Paul

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