[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]

Re: 5000tq SurGIng ProBLemS

Martin Slotterback wrote:
> Hey,
>  Someone not to long ago was having surging problems. I think on a 200?
> Well I have a nasty case of the surge with my 5ktq. The car at idle will
> surge between 1200 and 1400 rpm with some extended surges to 3000 rpm. I
> have checked for vacume leaks and can not see any. I am at a lose here
> if any of the colective knowlege can shine a light {you know like a GM
> headlight or some thing} I would be in your idle debt.
>   The history is : left work I have many stop signs. I did not notice
> any thing wrong. Now on the highway sill smooth. Off the highway back to
> city streets and then it started. wrooom..wroom..wroom.wroom..wroom..you
> get the picture.
>     Thanks,
>              Marty S.

I believe from previous posts that this would be the ISV(idle stabilizer
valve). Perhaps a cleaning is in order.


1991 200Q (friday)
1995 LHS ( wish it were an AUDI)
1985 4000SQ ( for sale soon) (maybe)