fwiw.......... I get vanagon engines to run perfectly...........takes a while sometimes...........but eventually I can get them to run as good as a waterboxer engine can possibly run......... and I almost never change a Temp II sensor. I have seen problems with making good contact to them though.
----- Original Message ----- From: "Don Hanson" <dhanson928@GMAIL.COM> To: <vanagon@GERRY.VANAGON.COM> Sent: Tuesday, May 26, 2009 10:54 AM Subject: Re: intermittant rich running problem
> It sounds like it is the temp II sensor. Check the plug on that and the > wires...Mine are all brittle and the plug sucks. If you unplug the Temp > II > and the running behavior doesn't change...that is probably it..some kinda > connection issue...since you say you know the sensor is good again. Those > things (the sensors themselves) are sometimes no good even when > new..Bosh.. > Don Hanson > > On Tue, May 26, 2009 at 8:04 AM, David Clarkson <Dvdclarksn@aol.com> > wrote: > >> Just a follow up to the previous post. The oxygen sensor voltage seems to >> be swinging between .1-.7 volts with the engine warmed up. Thanks for any >> help that you can offer fellow vanagonauts. >> >> David >> >> >> In a message dated 5/26/2009 10:34:31 A.M. Eastern Daylight Time, >> Dvdclarksn@AOL.COM writes: >> >> I'm having an intermittent rich running problem with my 90 2.1 liter >> Westy. >> This was the same symptom that I had that was fixed 13 mos. ago with a >> new >> temp II sensor. This has been replaced with no effect. One other >> interesting thing that I noticed when attempting to install a wire to >> feed an oxygen >> sensor monitor was that just connecting an additional wire to the >> sensor >> causes an immediate rich running condition. I had a problem this >> morning >> when the engine was started cold with running rich also. Am I looking >> at >> a >> problem involving cleaning up some grounds again. I'm thinking that I >> may >> also >> need to test the voltage coming from the sensor and also at the ECU. >> Any >> ideas towards diagnosing this problem would be greatly appreciated. >> >> >> David Clarkson >> **************A Good Credit Score is 700 or Above. See yours in just 2 >> easy >> steps! >> ( >> http://pr.atwola.com/promoclk/100126575x1222377034x1201454326/aol?redir=htt >> p://www.freecreditreport.com/pm/default.aspx?sc=668072&hmpgID=62&bcd= >> MaystepsfooterNO62) >> >> >> **************A Good Credit Score is 700 or Above. See yours in just 2 >> easy >> steps! >> ( >> http://pr.atwola.com/promoclk/100126575x1222377034x1201454326/aol?redir=http://www.freecreditreport.com/pm/default.aspx?sc=668072&hmpgID=62&bcd= >> MaystepsfooterNO62) >> |
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