I think I understood "jumping" as
surging. Hope I'm right :>)
Karl Batzler
84 Vanagon
87 Audi 5000 S
La Quinta, CA
>
"Jumping" ? do you mean
idle?
>
> &nbs=
p;
Eric &nb=
sp;
86-VW4x4
> &nb=
sp;
vw4x4@fyi.net &n=
bsp;
72-240z
> &nbs=
p;
Pittsburgh, PA USA
1936-Chrysler
>
>
>On Tue, 26 Jan 1999, Karl Batzler
wrote:
>
>> I would personally suggest replacing the O2 =
sensor
first. If this doesn't
>> do the trick, try the AFM =
capacitor
fix. If you need directions, I'll
>> p-mail them to
you.
>> Karl Batzler
>> 84 Vanagon
>> 87 Audi =
5000
S
>> La Quinta, CA
>> -----Original =
Message-----
>>
From: S Sittservl <Ssittservl@AOL.COM>
>>=
To: vanagon@GERRY.VANAGON.COM =
<vanagon@GERRY.VANAGON.COM&g=
t;
>>
Date: Tuesday, January 26, 1999 4:15 PM
>> Subject: Advice =
needed:
engine speed jumping abruptly
>>
>>
>> =
>I'm
looking for advice on a problem I'm having with my '88 =
Westfalia.
>>
>I've seen messages from others with similar problems, but I'm
not
>> >sure if quite the same thing.
>> =
>
>>
>When I've run the van at highway speeds (70 MPH) for a few
hours,
>> >the engine begins to drop around 300 RPM every =
once in a
while,
>> >causing the van to slow abruptly. After =
about 1 to
5 seconds,
>> >the engine returns to its normal speed (and =
the van
jumps ahead).
>> >Occurances are anywhere from a couple of =
seconds
to a few minutes
>> >apart.
>> >
>> =
>If I
pull off and let then engine go down to idle speed, it will =
die.
>>
>It has a little trouble restarting, but not too bad - I've
always
>> >been able to restart it. If I let the van
"rest" a while - somewhere
>> >between an hour and =
overnight, I think - the problem goes away.
>> >(It will =
return
after a few more hours of driving, though.)
>> >
>> =
>So
far I've only experienced this in cold weather, but I don't know =
if
>>
>that's affecting it, or if the problem just happened to get
started
>> >in late fall. Also, I don't know that
"highway speed" is necessary -
>> >I haven't had =
the
opportunity to drive the van for hours at a time
>> >at =
slower
speeds.
>> >
>> >It's time to replace my oxygen =
sensor -
could it affect this?
>> >
>> >Thanks for any
advice.
>> >
>>
> &nb=
sp; &nbs=
p; =
;
-Steven Sittser
>>