Jaime,

Try troubleshooting/testing the Hall sender on the distributor - my 87 had
similiar problems and that fixed it.

mike

Jaime Bates wrote:

> Still trying to get my 88' Vanagon staight.....
> Had a problem with the tach shooting up to 3000 rpm's and dropping to
> near shut off then taching back up again.I had alot of response from the
> list GREATLY appriciated,Now we've changed the wires( coil wire feel
> apart upon taking off!) cleaned all connections,tried to adjust
> idle.Whats happening now is it's staying up at 2000 rpm's any
> suggestions would be great.
>  Also have a purple hose connected to  the throttle body, aprox 2 years
> ago one end came off and motor was running at rough idle ,NOW if you
> disconnect it does nothing could this be one of my problems that
> something there is not working or clogged and is causing this ????