yes! The digitool!  http://scribers.midwest.net/midwesty/vw has the goods.

Matthew Pollard             http://www.uidaho.edu/~poll7356
Dept. of Chemistry               http://www.chem.uidaho.edu
University of Idaho                   http://www.uidaho.edu

On Wed, 16 Feb 2000, Scott Davis wrote:

> dear list-
>
> I am suffering with a 1988 Westy drama queen. The problem is the classic
> bucking/ hesitation syndrome I believe. It fires right up on a cold engine
> and runs and idles fine. After it warms up is when the idle gets really
> rough. I have to completely foor it in order to get any acceleration (some
> smoking usually starts at this point). Out on the highway it will run only
> when pushed to over about 4200 rpms. Anything below that causes it to totally
> loose power, buck, cough, "I'm dying", smoking, the whole bit. I've tried
> cleaning the intake air sensor, no luck. I'm about to go digging for and
> start replacing the OXY sensor, the Temp II sensor and on down the list.
> Before I get dirty- is there a diagnostic tool that I could hook up to the
> engine and save myself a lot of swearing and tell me exactly what is up??
> Thanks for advice...
>
> Scott
> 88 Westy- Roxi Blueboxi
>