RE: s4 rough acceleration

["Martin, Gary G" <MartinGG@aetna.com>]

> -----Original Message-----
> From:	Martin, Gary G 
> Sent:	Tuesday, February 02, 1999 4:34 AM
> To:	'quattro@coimbra.ans.net'
> Subject:	s4 rough acceleration
> 
> I have a 94 s4, bought at 87k,nearing 100k now and seems to have developed
> a roughness during acceleration.
> Most noticeable at 3000 to 4500 rpm at half to full throttle in second
> gear. Less in 1st and 3rd. None in 4th and 5th.	
> Idles fine, pulls strong. More noticeable when cold.
> One shop couldn't find anything wrong, another had a computer read out of
> failing engine RPM sensor, which was replaced and seemed
> to improve it somewhat.  Any suggestions? 
> 
> 94 S4..100K
> 87 5K CST..205K 
> 86 SAAB 9K...206k
> 
> 2/10/99  I think i found the problem. THROTTLE POSITION SENSOR. I tested
> it this weekend as spec'd in Bentley and it failed. The spark plug
> connectors, as indicated by some, checked okay. I was hoping to have the
> part and installed today to make absolutely sure, but I didn't. Have to
> unsubscribe for awhile and go skiing in Switz!!!! DARN. 
>    THANKS  to all who responded.  Why I can find this and 2 shops
> can't??????? Don't get me started.