Doesn't this sound like it thinks the pedal is out and its trying to engine
brake when the rpms get high?

Is a clickly idle switch conclusive?  Maybe double check continuity of the
switch at idle?

Granted, I don't understand why it would get better under load...

On Wed, May 23, 2012 at 11:19 PM, Daryl Christensen
<daryl@aatransaxle.com>wrote:

> Ok..Here is one I have never seen before..Dennis ? Mark ?
> Hold throttle at about 2000 rpm  ( out of gear) and it cuts out and drops
> to
> about idle and then back up to 2k and drops again, etc..
> Will rev higher if you open throttle quickly and get it above 3k or so.
>  Idles fine.
> Driving it is much better under load, BUT when shifting mostly between 3rd
> and 4th,   it cuts out during shifting as it goes thru about 2K and feels
> like it slams the tranny up against the body..And yes, its mounts are
> fine..
> If you feather the clutch it will not slam so badly, so its rpm sensitive
> more than load sensitive.
> Cruising on the road its fine till you shift again. So, it seems to be
> mostly rpm related.
> Distributor harness feels OK. AFM traces look great. Can hear the throttle
> switch click.
> Grounds are tight (not cleaned them yet)
> I am thinking distributor as it feels like either the fuel is cutting off
> or
> its losing spark for a bit.
>
> Daryl of AA Transaxle
> 425-788-4070
> "On the cutting edge of Old technology"
> 86 Syncro Westy w/Turbo Zetec in the trunk
> 90 Doka Tristar w/2.5 Subie
>