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In message <UPMAIL13.199707072244330001@msn.com> "Ian J Haseltine" writes:

> Anyone BTDT - under firm acceleration, ok to 4000 rpm, then slight power loss, 
> maybe missing, just enough to notice although engine still pulling, back off 
> slightly and engine continues through to above 5000 smoothly.
> Hard acceleration similar except much more obvious and engine sounds  rough 
> but still pulls.
> What am I looking at here - misfire, overboost, fuel probs? Any suggestions 
> will be welcomed. I'm going to have it run on a rolling road soon but I'd like 
> a few ideas before I get my cheque book out.

Check the hoses first.

 Phil Payne
 Committee Member, UK Audi [ur-]quattro Owners Club