He has loss of power/blowing black smoke out the tailpipe once the engine is warmed up. An experienced VW mechanic diagnosed it. I was skeptical so we put my AFM in and everything ran perfectly. But not with the reconditioned AFM from the Bus Depot.
Phil

> From: d23haynes57@hotmail.com
> To: pwmenchions@HOTMAIL.COM; vanagon@GERRY.VANAGON.COM
> Subject: RE: Bus Depot AFM?
> Date: Sun, 31 Jul 2011 12:32:44 -0400
> 
> In all the years I've been working on Vanagons I have only replaced three
> Air Flow meters. One on a 1.9 and two on the 2.1L. All three were tampered
> with. They rarely go bad and are usually miss diagnosed. Maybe your AFM has
> been tampered with and covering something that also really wrong with your
> van. What are the symptoms that are making anyone think you have an AFM
> problem? 
> 
> Dennis
> 
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> Phil Menchions
> Sent: Saturday, July 30, 2011 7:48 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Bus Depot AFM?
> 
> A friend with an '86 was diagnosed with a faulty AFM. We confirmed that by
> putting the AFM from my '89 into his. It ran perfectly, so since they were
> NLA from all the usual vendors he ordered one of the reconditioned AFMs from
> the BusDepot. 
>  
> But his van runs poorly as before. He doesn't seem to be getting any
> satisfaction from BD. Has anyone had any experience with these reconditioned
> AFMs? Under the circumstances he's considering selling. I can see a lot of
> owners finally throwing up their hands when vital parts become NLA. I can
> see why many do the engine transplants. Cheers,Phil Menchions'89 Westy
> 
>                                           
>