Date:         Mon, 15 Jun 2015 14:34:00 -0400
Reply-To:     Edward Maglott <emaglott3@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Edward Maglott <emaglott3@GMAIL.COM>
Subject:      Re: Engine hesitates upon take off
In-Reply-To:  <CACrM94KW3m_mv6ezRy0vHRDCi3o5xFrjjE6oWa4z0Zykih8yxg@mail.gmail.com>
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I've had this symptom intermittently in my '86 with AT for most of the 15
years I've owned it.  It happens most frequently after a period of not
using the van, at air temps over 70 degrees, with cold engine.  I've found
that moving the gas pedal up and down  a few times rapidly will often get a
response and get the rpms up then it will run normally.  Holding the pedal
steady seems to make it worse.

Sometimes I also get a stuttering at idle a couple minutes after starting
the engine with the same conditions as above.  Maybe it's the same root
cause just in different conditions.  idling vs attempting to accelerate
from idle.  If the engine stalls during this symptom, it is hard to restart
and then likes the gas pedal held down as if it's flooded or trying to
start with too rich condition.  Perhaps this is occurring during the ECU's
transition to closed loop operation?

Edward

On Mon, Jun 15, 2015 at 2:07 PM, Abel Longoria <houstonphotog@gmail.com>
wrote:

> Thanks Jimmy... looks like the testing and adjusting is covered on Bentley
> page 24.33.
>
> I will give this a try and see how its reading...
>
> Abel Longoria
>
> On Mon, Jun 15, 2015 at 12:48 PM, Jimmy Johnston <inmytree1@gmail.com>
> wrote:
>
> > I say check your Throttle Position Switch (TPS)...you may need an
> > adjustment...
> >
> > Check your plug wires, too...
> >
> > Jimmy
> > Wilmington, NC
> >
> > On Mon, Jun 15, 2015 at 10:25 AM, Rick Cooper <rickdcooper@gmail.com>
> > wrote:
> >
> > > I've noticed that when accelerating from an intersection, after sitting
> > at
> > > a red light, my 2.1 WBX will sometimes hesitate for 5 to 15 seconds.
> > I'll
> > > start moving, but the engine has no power and giving it more gas does
> > > nothing.  After those few seconds, the engine will start to pick up
> power
> > > and soon everything will be running fine.
> > >
> > > This has just start happening and is still sporadic, but it is becoming
> > > more frequent.  Seems to only happen after a full stop, like at a red
> > > light.  Would this be a clogged fuel filter or what?
> > >
> > > Thanks for any ideas.  FWIW,  the fuel tank and the ECU were replaced a
> > few
> > > years ago.
> > >
> > > Rick
> > >
> >
>