

| Subject: | Re: Problem, New Rebuilt Engine, Running Rich, What's Wrong? |
| From: | Robert Stewart |
| Date: | Mon, 20 Jul 2009 12:23:35 -0400 |
Yes its a 88 Auto. Thanks. Rob On Jul 20, 2009, at 7:12 AM, Dave Arthur wrote: > 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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