Full Throttle, full boost hesitation revisited

[Kaklikian, Gary]

What about fuel accumulator and filters?  Adjusted the idle mixture,  tried
shimming the fuel pressure regulator?  Cold start injector leaking?


> ----------
> From: 	DGraber460 at aol.com[SMTP:DGraber460 at aol.com]
> Sent: 	Sunday, February 11, 2001 6:42 PM
> To: 	urq at audifans.com
> Cc: 	quattro at audifans.com
> Subject: 	Full Throttle, full boost hesitation revisited
> 
> Recently I thought I had found my FT hesitation problem in the FT switch. 
> Running a set of wires into the cabin, I was able to confirm that the 
> connection was made, and earliest results were positive. 
> The intermittent FT hesitation however is still there. I also played with
> the 
> FPR pressure settings, and was able to change the running characteristics 
> slightly with these experiments, but no major solutions. 
> The car requires peddle input to start cold, and 20 minute hot starts are 
> difficult. 
> I have replaced the injectors, the O2 sensor, and verified outputs on all 
> senders, and fuel pressure readings. A diligent scrutinizing with a 
> stethoscope and flammable substances show no vacuum leaks. 
> All in all it's running quite well, just this one problem I'd like to
> cure, 
> and I can't nail down. 
> Any input appreciated. 
> 
> Dennis   
>