Date: Sat, 16 Apr 2016 14:31:00 -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: <BAY405-EAS3821DF29F3BE399E0D0BD42A0690@phx.gbl>
Content-Type: text/plain; charset=UTF-8
Dennis,
Like the dumbass I can be sometimes (screw that lifetime of experience that
should tell me otherwise) I left my Bentley and multimeter at home. :(
On Saturday, April 16, 2016, Dennis Haynes <d23haynes57@hotmail.com> wrote:
> 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:;>] On Behalf Of Tyler Hardison
> Sent: Saturday, April 16, 2016 1:12 PM
> To: vanagon@GERRY.VANAGON.COM <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?
>
> On Saturday, April 16, 2016, Loren Busch <starwagen@gmail.com
> <javascript:;>> wrote:
>
> > RE: Engine Stalls
> > Tyler, could you give us a little more details about how the engine
> > stalls. Just quits dead? Or stumbles but keeps running? If the
> > later then you may be dealing with 'Vanagon Syndrome'.
> > BTW, what engine. Stock 2.1L or 1.9L?
> >
>
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