My '85 Weekender is doing the same thing. I was going to pull the throttle body and give it a good cleaning and adjustment this weekend. I suspect that the throttle never fully closes but the burp snaps it back into place. --t On Wed, Jun 24, 2015 at 1:30 PM, thewestyman <zolo@foxinternet.net> wrote: > The throttle switch must be looked at. It looks like it does not come back > enough to switch it to get to idle mode. There must be a click when you > release the throttle. > To adjust, you would need to use a small allen wrench. One does the > locking > the other the adjusting. As you look down on the switch that's under the > throttle valve. > Zoltan > > > -----Original Message----- > From: Steve Williams > Sent: Wednesday, June 24, 2015 11:27 AM > To: vanagon@GERRY.VANAGON.COM > Subject: Intermittent high idle - able to make "go low" > > Hi, > > I have a 91 Westfalia, manual. > > After driving for a short period of time, when I take my foot off the > gas, the engine only idles down to about 1800 rpm. > > If I "burp" the throttle... by pressing gas pedal towards the floor & > releasing quickly, the idle will come down to normal. > > These symptoms really make me think something physical, rather than > electrical, vacuum, etc. However, I've checked the throttle cable & > what it attaches to and everything seems to be travelling smoothly. > > Annoyingly, I can't replicate this without driving the vehicle. Humm... > as I'm typing this email, I just thought of driving the vehicle, pulling > over to the side of the road & popping the back open... but until I get > a chance to do that, is there any "list wisdom" that could give me > pointers on where to look? > > Additionally, how tight should the throttle cable be? There is about > 1/2 inch of slack in the throttle cable. It is not very clear if it's > adjustable on the engine end of the cable or not... > > Thanks, > Steve Williams > |
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