4kq's don't have them. But I don't have anything more profound to offer
other than maybe test idle switch, clean air plate and cone, and general
engine housekeeping.
Also, when you say "over-riching" the mixture, since whent he car warms
up this is impossible, ecu/oxs return the mixt to correct, perhaps
leaving it a little rich when cold could be the cure? What does the DPR
current read durig warm up and then when qarm?
David Head wrote:
>
> Sounds like you need a new warmup regulator. Its that thing bolted to the side
> of the engine where the braided lines run to and from the fuel distributor. It
> has a bimetallic strip that adjusts fuel pressure as the engine warms up.
>
> Jeff Goldberg wrote:
>
> > When my engine is cold, I get a short lived hesitation when coming off the
> > line ('86 4KCSQ). First start of the day is the worst, but the car runs
> > great as soon as it warms up. I find that over riching the mixture avoids
> > the hesitation. Any ideas or BTDT?
> >
> > TIA,
> >
> > Jeff
> > 86 4KCSQ Daily Driver
> > 86 4KS Spare
--
Huw Powell
http://www.humanspeakers.com/audi/
82 Audi Coupe; 84 4kq; 85 Coupe GT; 73 F250