Date: Mon, 20 Jul 2009 08:12:03 -0300
Reply-To: Dave Arthur <dave.arthur@NSCC.CA>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Dave Arthur <dave.arthur@NSCC.CA>
Subject: Re: Problem, New Rebuilt Engine, Running Rich, What's Wrong?
In-Reply-To: <F0CEC456-A31C-49D1-BAB9-0BE5465DD9E1@mac.com>
Content-type: text/plain; charset="US-ASCII"
Hi Robert
I haven't asked the most important question, what year is your vehicle? If
it is '86 or later the following will help ...
The mixture on the AFM is only used on engine warm up and when the engine is
running open loop, ie running without an O2 sensor. I really shouldn't say
only as a gross maladjustment will really cause problems. If the setting is
close the O2 system should bring mixture into line when warm.
The Temp 2 sensor is not on the engine. It is on the front drivers side of
the engine bay connected to the thermostat housing. It will have a blue body
and is held in the housing with a circlip.
TB setting, you need a manual...
http://homepage.mac.com/greystoke.eng/.Public/Vanagon%20Protraining%20Digifa
nt%20I%2086-91.pdf
The above is the '86 + Digifant Pro Training manual. Use the Digifant 1
section.
D
On 19/07/09 11:57 PM, "Robert Stewart" <robertmstewart@MAC.COM> wrote:
> So what about the Oxygen mix control that on AFM? should this not be
> screwed with? How should it be set?
>
> The Temp 2 sensor is new. It might be possible he connected the wiring
> wrong.
> ?Which sensor is the temp 2? The one in between the the pushrods or
> near the water pump unit?)
>
> Now how does one set the for the throttle position switch setting and
> Intake air sensor in the AFM?
>
> Is there anything bad about buying a used breather tube vs a new one?
>
> Thanks,
>
> Robert
> NY
>
> On Jul 19, 2009, at 11:24 AM, Robert Stewart wrote:
>
>> So my rebuilt engine is in, started on the first try but it's running
>> rich.
>>
>> Any ideas?
>>
>> It as the original AFM, Idle control valve, stabilizer unit, and
>> oxygen sensor, etc..
>> Could it be as simple as I need a new O2 Sensor?
>> if so should I get the splice in kind or the whole wire?
>> My mechanic tells me that it might be the wire from O2 sensor from all
>> the years of replacement slicing..
>> http://www.van-cafe.com/home/van/smartlist_985/oxygen_sensor.html
>>
>> My mechanic tells me the original Breather Tower top comes off to
>> easily.
>> He opened and the top inner components of the unit seem to be
>> deteriorating.
>> Does it require replacement at $90 for the unit or can it refurbish it
>> somehow and seal the top?
>> http://www.van-cafe.com/home/van/smartlist_924/breather_system.html
>>
>> Thanks,
>> Robert
>> NY
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