

| Subject: | Re: 88 GL - Idle Stabilizer System - Was Distributor Woes |
| From: | JRodgers |
| Date: | Fri, 3 Jan 2014 08:12:12 -0600 |
Dennis, thanks. Big help. John On 1/3/2014 7:52 AM, Dennis Haynes wrote: > In addition, the engine idle at 800-900 rpm with the valve disconnected is a > bit too high. Read the Bentley and note the procedure for setting base idle > speed. There is a current setting for the valve. The goal is for the valve > to always provide "some" adjustment, (boost) for the idle speed. With the > valve disconnected set for ~700 rpm and the valve should then bring it up as > needed. For some controllers you will need to cycle the ignition to after > reconnecting the valve. > > Dennis > > -----Original Message----- > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of > Dennis Haynes > Sent: Friday, January 3, 2014 8:47 AM > To: vanagon@GERRY.VANAGON.COM > Subject: Re: 88 GL - Idle Stabilizer System - Was Distributor Woes > > Most likely you have a bad isle speed control unit. I have also see a bad > valve cuase this behavior. Make sure the input for the power steering or the > AC is not being triggered and a bad connection for the temp 2 sensor can > also tell the ECU and idle control (shared input) that the engine is very > cold causing a fast idle. Since you have two vans try swapping the > controllers to confirm. > > Dennis > > -----Original Message----- > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of > JRodgers > Sent: Friday, January 3, 2014 8:28 AM > To: vanagon@GERRY.VANAGON.COM > Subject: 88 GL - Idle Stabilizer System - Was Distributor Woes > > After a lot of monkeying around, I finally got Ol' Red to run properly - but > not exactly by the book. If I leave the idle stabilizer valve (which hums as > it should) disconnected, the engine starts and after a warmup - idles > delightfully around 800/900 rpm. > > When I do a cold start with the ISV connected - the engine over speeds. > Not good right from a cold start. Should come up to 1200-1500 and then drop > back as it warms. But it goes well above that. I won't operate under those > conditions so just keep it disconnected. > > Anyone with any ideas as to how to adjust this out to get it to function > properly with no runaway speed on start up? > > Thanks, > > John >
Have something to add on this topic today? Revive this thread in the forum »