

| Subject: | Re: 88 Vanagon gl "issues" |
| From: | Chris Lisica |
| Date: | Thu, 15 Feb 2007 11:01:40 -0800 |
Dennis, that's a far cry from the ISV that i've been told to check out, twice now. Would you(or anyone else) recommend fuel injection cleaner? I also just downloaded the digifant pro training manual which has a wealth of info as well. Man, you guys are awesome. Thanks for all the tips! Much appreciated! -chris On 2/15/07, Dennis Haynes <dhaynes@optonline.net> wrote: > > If your idling at 950, the valve is doing its job. The sputtering is > called > a miss. At idle, the miss is usually due to an ignition problem or a > cylinder getting a slightly different mixture than the others. Bad > injectors, vacuum leak, valves, etc can be the problem. The idle valve > simply stabilizes the idle speed by opening a bypass around the throttle. > You should be able to get a smooth idle even with it un plugged. Some > sputtering on water boxers is often normal. Make sure timing is properly > set > and then look for the cause of the lean missies. > > Dennis > > -----Original Message----- > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of > Chris Lisica > Sent: Wednesday, February 14, 2007 9:54 PM > To: vanagon@GERRY.VANAGON.COM > Subject: Re: 88 vanagon gl "issues" > > Ok, so I just got the van started(barely). Held it at 2000rpm's for about > 15 > minutes to charge the battery after a 3-4 minute start process. After > letting go of the gas pedal, it dropped to 1100rpm's(900 is normal idle > for > me), slowly dropped to 1000, slowly dropped to 950, and started to > stutter. > Tap the gas, everything is fine, let go, starts to stutter/sputter. I'm > thinking all signs are pointing to the idle valve? Sound like a good > culprit > to chase down? Is it located in the throttle body? On top? > > Thanks so much! > > -chris > > On 2/14/07, Chris Lisica <wavanagon@gmail.com> wrote: > > > > Tom, thanks for the links. I'm no stranger to Ben's website. What a > wealth > > of information. > > > > Thank you Ben for posting so much information! > > > > On 2/14/07, Tom Rowsell <sakow86@gmail.com > wrote: > > > > > > See Ben's info at http://benplace.com/temp_sender.htm > > > Also, go back up to http://benplace.com/vw2.htm for a load of other > > > info... > > > > > > Tom > > > > > > On 2/14/07, Chris Lisica < wavanagon@gmail.com> wrote: > > > > > > > > Ken, thanks for the info. Some questions: > > > > > > > > The TEMPII sensor is a real good candidate. > > > > > > > > > > > > Where exactly is the TEMPII sensor? > > > > > > > > There are some wires/traces under the distributor that become > brittle > > > > with > > > > > age.If you are not real careful unplugging the dist you can damage > > > > them. > > > > > > > > > > > > Under the distributor cap? > > > > > > > > How about the idle position sensor? Can you hear it click on and > off? > > > > > > > > > > The idle control module could be fried or the idle valve could be > > > > gummed > > > > > up. > > > > > > > > > > > > I believe I can hear the position sensor coming on with ignition > turn > > > > on and > > > > off. Where is the idle control module and stabilizer valve? > > > > > > > > Thanks again! > > > > > > > > -chris > > > > > > > > > > > > > > > > > > > > > > >
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