Date: Sat, 16 Apr 2016 14:37:20 -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: <CAP_YzpLxGh-XkdzcrmukJaADEa+9F65B8iNFDd-E_RGLC4WH0w@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8
On a side note, I am trying to actually vacation so I may not respond right
away but will respond as soon as I can.
If you're going to come visit, call me at 2093155337..
--t
On Saturday, April 16, 2016, Tyler Hardison <tyler@seraph-net.net> wrote:
> One switch. My build date is 3/85
>
> On Saturday, April 16, 2016, Stuart MacMillan <stuartmacm@gmail.com
> <javascript:_e(%7B%7D,'cvml','stuartmacm@gmail.com');>> 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] On Behalf
>> Of Dennis Haynes
>> Sent: Saturday, April 16, 2016 12:32 PM
>> To: vanagon@GERRY.VANAGON.COM
>> 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]
>> Sent: Saturday, April 16, 2016 3:14 PM
>> To: 'Dennis Haynes' <d23haynes57@HOTMAIL.COM>; vanagon@GERRY.VANAGON.COM;
>> Tyler Hardison <tyler@SERAPH-NET.NET>
>> 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] On Behalf
>> Of Dennis Haynes
>> Sent: Saturday, April 16, 2016 11:18 AM
>> To: vanagon@GERRY.VANAGON.COM
>> 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] On Behalf
>> Of Tyler Hardison
>> Sent: Saturday, April 16, 2016 1:12 PM
>> To: vanagon@GERRY.VANAGON.COM
>> 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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