1982 Coupe:Hot Start Issues

[Huw Powell]

>   I see, it does make it sound more like something in the residual
> pressure/leakdown/vapour lock direction eh?
> 
>  I'd still say its worth disconnecting the CSV and running it around for say
> a week like that. Or maybe renew the (is it the thermotime?) sensor that
> provides temperature input. If you were to imagine the sensor drifiting out
> of spec, then it would know to provide plenty of CSV for a cold start, none
> at all for a hot start, and just maybe too much for an engine that was last
> run 3 hours ago! Its a test that costs nothing to try.

Yes, that is an "easy" test.  The time vs. temp graph should be in the 
manual.

There is also a good chance that this car has a "hot start pulse relay," 
which was added to pulse the CSV during hot starts for some enrichment 
that it wouldn't get from the "heated up" CSV thermoswitch or warm up 
regulator.  I *think* they were orange, and hidden somewhere in the 
glovebox area.  If that failed in either direction, it might be a problem.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/