Date: Sat, 16 Apr 2016 16:31:04 -0700
Reply-To: Tyler Hardison <tyler@SERAPH-NET.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Tyler Hardison <tyler@SERAPH-NET.NET>
Subject: Re: Engine stalling at high speed
In-Reply-To: <022a01d19837$f076b630$d1642290$@gmail.com>
Content-Type: text/plain; charset=UTF-8
I can confirm, having rebuilt my throttle body , that there is only one
switch.
On Saturday, April 16, 2016, Stuart MacMillan <stuartmacm@gmail.com> wrote:
> Mine had both, and the two switches. I would think the throttle body would
> be different for the cam switch.
>
> Stuart
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com
> <javascript:;>] On Behalf Of Jeff Schwaia
> Sent: Saturday, April 16, 2016 3:00 PM
> To: vanagon@GERRY.VANAGON.COM <javascript:;>
> Subject: Re: Engine stalling at high speed
>
> All the vans with Digijet should have the old style 1 or 2 switch setup,
> depending on whether it has AC and/or power steering.
>
> Cheers,
>
> Jeff
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com
> <javascript:;>] On Behalf Of Tyler Hardison
> Sent: Saturday, April 16, 2016 2:34 PM
> To: vanagon@GERRY.VANAGON.COM <javascript:;>
> Subject: Re: Engine stalling at high speed
>
> One switch. My build date is 3/85
>
> On Saturday, April 16, 2016, Stuart MacMillan <stuartmacm@gmail.com
> <javascript:;>> wrote:
>
> > My '85 with a build date of 8/84 has the two switches. Missed the cut,
> > and Tyler's might have too.
> >
> > Stuart
> >
> > -----Original Message-----
> > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com
> <javascript:;>
> > <javascript:;>] On Behalf Of Dennis Haynes
> > Sent: Saturday, April 16, 2016 12:32 PM
> > To: vanagon@GERRY.VANAGON.COM <javascript:;> <javascript:;>
> > Subject: Re: Engine stalling at high speed
> >
> > The 2 separate throttle switches was replaced with the single cam
> > switch somewhere mid 84. All 85's have the later set up. 86 with the
> > 2.1 also go a larger throttle plate.
> >
> > However speaking of blockages a catalyst that is broken down into ta
> > golf ball size chunk can also block the exhaust causing engine shut
> > down. If exhaust can t get out air can t get in.
> >
> > Dennis
> >
> >
> > -----Original Message-----
> > From: Stuart MacMillan [mailto:stuartmacm@gmail.com <javascript:;>
> <javascript:;>]
> > Sent: Saturday, April 16, 2016 3:14 PM
> > To: 'Dennis Haynes' <d23haynes57@HOTMAIL.COM <javascript:;>
> <javascript:;>>;
> > vanagon@GERRY.VANAGON.COM <javascript:;> <javascript:;>; Tyler Hardison
> <
> > tyler@SERAPH-NET.NET <javascript:;> <javascript:;>>
> > Subject: RE: Engine stalling at high speed
> >
> > Tyler has the single wire '85 1.9 O2 sensor according to his first post.
> > Any short would be directly to that wire, easy to check at the harness
> > connection with an ohm meter. That also means he has two throttle
> > position switches, one closed throttle and one full throttle.
> > Misadjusted closed switch will give bucking when crusing around 35 mph
> > but it will clear beyond that.
> >
> > My money is on a clogged fuel pick up in the tank. I've heard of
> > cardboard getting into improperly packaged tanks and causing this. :-(
> >
> > Stuart
> >
> > -----Original Message-----
> > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com
> <javascript:;>
> > <javascript:;>] On Behalf Of Dennis Haynes
> > Sent: Saturday, April 16, 2016 11:18 AM
> > To: vanagon@GERRY.VANAGON.COM <javascript:;> <javascript:;>
> > Subject: Re: Engine stalling at high speed
> >
> > When opening the throttle makes things worse it is usually a fuel
> > delivery problem, too lean or too rich can have a similar feel. Try
> > resetting the ignition switch while still rolling. The steering should
> > not lock until the key is turned all the way off and then lifted as
> > when being removed so there should not be a fear of that. If it clears
> > and goes for a while than most likely you have an O2 sensor circuit
> > problem. Could be bad sensor or a wiring problem. A simple wiring test
> > if you have ammeter handy is as follows. Disconnect the sensor and
> > strip back the outer jacket on that green wire to get to the outer
> > braid. With the ignition on (engine not
> > running) check the voltage from the O2 sensor connection to the chassis.
> > Should be ~.5 to .6 volt. Now check the outer braid to chassis. Must
> > be real close to "0". Start engine and check again. Should be the
> > same. If the outer braid is getting stray voltages you have a grounding
> problem.
> > Anything near or .2 or above can put the ECU into a runaway rich
> condition.
> >
> > Dennis
> >
> >
> > -----Original Message-----
> > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com
> <javascript:;>
> > <javascript:;>] On Behalf Of Tyler Hardison
> > Sent: Saturday, April 16, 2016 1:12 PM
> > To: vanagon@GERRY.VANAGON.COM <javascript:;> <javascript:;>
> > Subject: Re: Engine stalling at high speed
> >
> > The engine behaves like it has a very extreme rev limiter in place. If
> > I press in the clutch it dies. From there I can restart the engine
> > like nothing happened.
> >
> > The AFM was replaced June of last year.
> >
> > O2 sensor around the same time.
> >
> > Coolant temp sensor in July of last year.
> >
> > Cleaned and tested the auxiliary air valve last month.
> >
> > New throttle body gasket last month.
> >
> > New fuel filters last month.
> >
> > New fuel tank two weeks ago.
> >
> > This problem feels electrical to me. Fuel starvation should cause poor
> > running like a lean condition. Right?
> >
>
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