[urq] Ideas for rough running continued - Solved!

[Ingo Rautenberg]

Thanks, Brandon.  I was THIS >-< close to plopping in the 3B motor from my
200 -- which between the TB job I need to do on the WX and soon-to-be-needed
clutch replacement made it a that much more attractive proposition.  Of
course, you'd know that well, Mr. 3B ;-)

----- Original Message ----- 
From: "Brandon Rogers" <brogers at terrix.com>
To: "Ingo Rautenberg" <i.rautenberg at waratap.com>; "UrqList"
<urq at audifans.com>
Sent: Monday, March 28, 2005 10:58 AM
Subject: Re: [urq] Ideas for rough running continued - Solved!


> Fascinating!
>
> I must say I am very relieved for you  Ingo.  Glad you found the culprit
and
> can now get back to enjoying the car.
>
> Brandon
>
> ----- Original Message ----- 
> From: "Ingo Rautenberg" <irautenberg at comcast.net>
> To: "UrqList" <urq at audifans.com>
> Sent: Saturday, March 26, 2005 4:02 PM
> Subject: Re: [urq] Ideas for rough running continued - Solved!
>
>
> > It was the Airflow meter.  Now I need to have my exhaust reattached
> > (currently held together with baling wire).  Really quite remarkable.
> > After
> > replacing almost every conceivable possible problematic piece (save
entire
> > engine or turbocharger) with known good, I decided to look at the
airflow
> > metering plate again, which I initially thought was binding, and
compared
> > it
> > with another that I had just recently bought.  What I discovered was
that
> > it
> > was not sticking against the venturi wall, but rather that the pin that
> > rests on the leaf spring had actually worn a hole in it!  On decel, it
> > would
> > essentially stick, the pin lodging itself into the hole, choking off air
> > and
> > fuel.  It would not restart unless I turned the CO screw to richen the
> > mixture, which would apparently plop the plate up again.  Some pics:
> >
> > As seen from below (air filter side):
> > http://www.dtwaudi.com/album_pic.php?pic_id=2093
> >
> > And from above with mtereing plate removed:
> > http://www.dtwaudi.com/album_pic.php?pic_id=2094
> >
> >
> > I highly recommend anyone who has similar sysmptons look at theirs by
> > taking
> > off their igloo, removing the air metering  plate (10mm bolt) and
> > inspecting
> > the "rest" area for wear or wear-thru.  Maybe that's your problem, Ed.
> >
> > Ingo (tired but glad I finally found the problem)
> >
> > Happy Easter!
> >
> > _______________________________________________
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> > contributions welcome!
>
>


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