No AFM.  Vacuum line to the ECM & fuel pressure regulator, intake air temp sensor and throttle position sensor. I copied the wiring when rebuilding the harness (which was not the same as the Bentley schematic).

-Dick-

-----Original Message-----
From: Neil N [mailto:musomuso@gmail.com] 
Sent: Thursday, September 11, 2014 8:53 PM
To: Dick Wong
Cc: vanagon@gerry.vanagon.com
Subject: Re: Engine miss

Does this version Digifant use an AFM? If so....

Faulty portion of resistive strip in the AFM?

tencentlife on thesamba.com posted a great simple check for AFM voltage dropouts while the engine is running.

Neil.

On 9/10/14, Dick Wong <sailingfc@dslextreme.com> wrote:

> Now that Blaze is back on the road, I get a miss/hiccup when moving 
> with no load on the engine.  I've only noticed this in fourth gear and 
> have not tried it in any other gear yet.
>
> Typical situation: In fourth gear, level ground, steady speed.  While 
> in this mode, the engine will suddenly lose power for several seconds, 
> then recover.  It's not a sputter, it's a sudden loss. No dash lights 
> illuminate, tach is steady, no CEL. All this happens in the 1800 to 
> 2800 rpm range (approximately).  I've never experienced this before.  
> When accelerating or decelerating through this rpm range, it never 
> happens, only when at a steady speed.  At freeway speeds, 3500 - 4500 
> rpm, I don't see this issue.
>
> Digifant (023906023), 2.5L, 5 cylinder, new Bosch plug wires, new 
> Bosch dist. cap, new Bosch rotor.
>
> Since this is basically a Eurovan setup, that's my next stop.
>
> Any ideas?

--
Neil n

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