Mark,
Do not proceed until the idle position sensor is functioning properly.
Adjust it for continuity just as the throttle closes.Otherwise do not pass
go,do not collect $200.....

I have accidentily left the AFM unplugged and also marveled at the smooth
idle. Red Herring.

Ken Lewis
http://neksiwel.20m.com/
in statu viae
----- Original Message -----
From: "Mark Drexler" <mdrexler@ZING-NET.CA>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Sunday, January 24, 2010 9:30 AM
Subject: [VANAGON] UODATED INFO FW: STRANDED in South Florida - NEED TECH
HELP

> Hi again. So, I checked a few things.
> -idle stabilizer control unit contacts are clean, no moisture
> -Idle control stabilizer valve is humming.
> -throttle valve switch is NOT working at idle but working at full throttle
> -WHEN HARNESS IS REMOVED FROM AIR FLOW SENSOR THE ENGINE IDLES SMOOTHLY.
> When the harness is reattached it drops revs 200k, and gets very rough and
> stumbles badly when throttle applied.
> Does this tell you anything. Can I drive it with the afm unplugged?
>
> Mark
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> Mark Drexler
> Sent: Saturday, January 23, 2010 5:31 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: STRANDED in South Florida - NEED TECH HELP
>
> Hi. Help needed. We are stranded at Homestead, Florida, where Hwy 1 heads
> into the Keys.
>
> 91 GL Westy doesn't want to go any further. Started rough this am, but ran
> decent most of day once completely warmed up.
>
> Just completed 1700 trouble free (till now) miles on new fuel injectors,
> fuel lines, plug wires, plugs, cap and rotor. Fuel filter has about 2-3k
> on
> it. Checked plugs this am, and they were a brown and dry.
>
> Now  just fueled up, and will start, but spits and burps, and can't get
> all
> cylinders firing on start up. Feels like a lack of fuel delivery to me.
> Getting more and more rough on start up last couple of days, actually
> since
> some heavy rains a couple of days ago.
>
>
>
> Suggestions on root cause or things I should check please, and does
> anybody
> know any techs around very south florida that I could track down???
>
>
>
> THANKS.
>
>
>
> Mark & Mary
>