Hi Keith, I have exactly the same problem. The intermittent 2000 rpm idle started when I replaced some muffler parts and put a new oxygen sensor in. My next step is to investigate that there are no leaks in the muffler couplings. Mine idles a bit rough to. Keep me posted in what you find out. Hans Cumberland, Ontario 86 Westfalia (SlowPoke) ----- Original Message ----- From: "Keith Adams" <vanagon_syncro@TELUSPLANET.NET> To: <vanagon@GERRY.VANAGON.COM> Sent: Wednesday, August 07, 2002 10:49 AM Subject: help with function of idle stabilizer
> I have been trying to root out an intermittent high idle (2000 rpm) on my 86 2.1 > . > > - I have pulled the control unit for the idle stabilizer out from behind the > tail light and opened it up. It is less than 3 years old form the receipts I > have from the PO and it looks all shiny and new inside still > - I have changed the idle stabilizer valve with a spare that I have. No effect. > - the Temp II sender was changed last year (maybe year before) - could it be > bad? > - the idle position switch on the throttle body seems to be working fine and > clicking at the right spots. > - disconnecting the idle stabilizer valve seems to fix the high idle. > > How do you test the idle stablizer valve itself? If it hums, is that good > enough? > > What are the other inputs into the idle stablilzer circuit? > > I get this high idle when warm and cold on an intermittent basis. Some times, > pressing the throttle and releasing fixes it, other times not. The high idle > appears when it's hot outside, or cold(er) outside, but not always. I'm a bit > stymied and since we are headed on a two week road trip, I'd like to have a > handle on this. > > Please reply via p-mail as I'm in nomail at the moment. TIA! > -- > Keith Adams > Calgary, AB, CA || http://www.clubveedub.com > 86 Westy "Roxy" || 64 Beetle |
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