Re: Intermitent stalling on decelaration

[Nathan Belo <belo@eskimo.com>]

On Tue, 4 Nov 1997, Avi wrote:

> I have the same problem intermittently stalling on declaration, I don't
> have a turbo dump valve (OEM, only my own), and i don't think it is related
> to this problem. Any suggestions?
> The car is 86 Turbo Q 5K,
> Avi
> 
> 
> 
> 
> At 09:37 PM 10/29/97 -0800, you wrote:
> >I had the classic intermittent stalling on decelleration on my '91 200
> >tq. I checked the control hose for the turbo bypass valve that runs
> >behind the heat sheild and 4" inches of it were completely destroyed.
> >New hose made no difference in performance. I sucked on the control line
> >to the bypass valve and got flow. Blew and no flow. Got a new bypass
> >valve and you can't blow or suck air through the control port. Installed
> >it and so far no stalling and the engine rpm's fall more slowly during
> >shifts making driving much more smooth.
> >Wolff
> >'91 200 tq
> >Oh, BTW, didn't seem to improve the poor (15mpg) fuel mileage. That's
> >the next problem to tackle.
> >
> >
> 
> 
I had stalling, but my car would also die.  It was the 5" hose coming off
the ISV.  It had 2 2" rips.  My car was also revving up and down due to
the vacuum leak.  $12.55 from Carlsen Audi and all is fine.

Nathan Belo
'88 90Q 165K mile