Make sure that the throttle cable isn't sticking and that the throttle spool is moving all of the way to idle. Check at the idle position that the idle micro is clicking on when the throttle is returning to idle. It seems like there is a delay in the idle system comming on. David Teitelbaum vin 10757 --- In dmcnews@xxxx, "Arne Hofmann (Beta LAYOUT GmbH)" <arne.hofmann@xxxx> wrote: > Hello, > when I start my car I have a high idle speed of about 2000RPM > for about 20 seconds until it comes down to about 800RPM. > Unfortunatly there is no difference, when when the engine is warm > or hot. > I measured the thermistor - about 1-2kOhm in warm condition - s > 1o the thermistor is doing fine. All connections are ok. Any ideas ? > > Thanks > Arne > > VIN4949 > > > > > > > > > > > > > Beta LAYOUT GmbH > Feldstrasse 2 > 65326 Aarbergen > > Tel.: 0049 6120 907010 > Fax.: 0049 6120 907014 > > http://www.pcb-pool.com > http://www.schablone.de > arne.hofmann@xxxx