If the car hunts, it ain't the idlespeed motor, ditto the microswitch. Sounds more like a vac leak if the mixture's been set up correctly. Contrary to the manual, you can use the brass screws to set an amount of air that will always pass the throttles even if the idlespeed motor is closed (this will make the engine stall), but it takes someone who really knows what they're doing to set it up right. NB the Bosch K-Jet manual for Switzerland (lambda equipped) describes this procedure. Have you checked the timing? It could be the bob-weights in the distributor not fully returning to their resting position thanks to 20 years of gunk. I've seen this on 2 cars now and a 3rd displaying the same symptoms. You can time it up at idle but it will pop and bang at speed. Martin Cohee, Michael wrote: >I've bugged enough people about this so i will keep plugging away.....my car refuses to idle smoothly and seeks whenever i come to a light or stop sign. On bad days it will sometimes even stall but usually the RPM will dip to where the red battery light just starts to flicker on and then it catches itself. Done all the normal tune up stuff and otherwise the car runs great, accelerates fine and is peppy at highway speeds...I ahve had the microswitch set up by David Teitelbaum and my 02 mixture is as close to perfect as we can get it.....my freq valve buzzes louder then my wife after i have spent 5 hours under the car :-) > >I am hoping to have a functioning idle speed computer soon to test swap with mine to elimate a computer problem. The one part I have not talked about is the idle speed motor. Anyone ever have to replace theirs and what symptoms did it give you.... >I would like to play around with the idle speed motor to make sure it is working....whatsa the best way to check it..unplug it while the car is idling? what if i unplug freq valve at idle? will any of these give me a direction to go in? I alos would like to make sure the microswitch is elctrically working too. > >At the same time i will double check for vac leaks.... > >thanks again >mike c >2109 > > >To unsubscribe from this group, send an email to: >DMCForum-unsubscribe@xxxxxxxxxxxxxxx > > > >Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > >. > > > Yahoo! Groups Sponsor <http://rd.yahoo.com/M=247865.3003379.4507215.1261774/D=egroupweb/S=170512 6215:HM/A=1482387/R=0/*http://ads.x10.com/?bHlhaG9vaG0xLmRhd=1052253933%3e M=247865.3003379.4507215.1261774/D=egroupweb/S=1705126215:HM/A=1482387/R=1 =1052253933%3eM=247865.3003379.4507215.1261774/D=egroupweb/S=1705126215:HM /A=1482387/R=2> <http://us.adserver.yahoo.com/l?M=247865.3003379.4507215.1261774/D=egroupm ail/S=:HM/A=1482387/rand=394787560> To unsubscribe from this group, send an email to: DMCForum-unsubscribe@xxxxxxxxxxxxxxx Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service <http://docs.yahoo.com/info/terms/> .
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