Mark,

Check the vacuum hose from the crankcase vent tower to the AFM. My van
rand crappy and I discovered the hose had rotted underneath where one
would not see it.

The vacuum hose this applied to the 2.1L - not sure about the 1.9L.

John Rodgers
Clayartist and Moldmaker
88'GL VW Bus Driver
Chelsea, AL
Http://www.moldhaus.com

Mark Drexler wrote:
> 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
>
>
>