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On 5 Mar 2002, at 2:49, Mike Wodkowski wrote: > The thing is, my idle speed fluctuates between 750 and 950, it cycles up and > down, up and down, and this is the closest I can get it to the 850 plus or minus > 50 idle suggested by Bentley, no matter how careful I am with the idle > adjustment. > > It makes no difference whether I have the advance and retard hoses on or > off. When you pull the green retard hose off, the idle should increase a LOT. Does it? If it does not, get a hose you can test with and attach one end to the retard side of the can (close to the dist) when you suck on that side of the can the idle should slow down and you should feel that the can is holding vacuum. If the vacuum keeps leaking "out" then you've found your problem, the diaphram is broken and the vac retard is no longer working. Let me know what you find. > Bentley says that for an uneven idle, I should check the connections and the > sensors. All my connections seem fine. Not sure how to check the sensors without > the Bosch tester, and besides, when Jim and I went over everything last summer, > all the sensors checked out fine. > > If this is normal, why? Bentley doesn't seem to suggest that this should be > normal. Could this be a trigger point problem? > > If not, what diagnostics should I do? > > Again, my charging system is fine. I get 12V at the fusebox wrt ground with the > key off, about 13.5V with the car at idle (prob not completely warmed up), and > 15V when I raise the rpms, just like Jims FAQ says I should. > Mike Wodkowski > 72 FI SQBK - Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ------------------------------------------------------------------- Unsubscribe? mailto:type3-request@vwtype3.org, Subject: unsubscribe