

| Subject: | Re: CA Smog Failed - 1985 1.9L |
| From: | Joseph Fortino |
| Date: | Sun, 29 Jun 2008 19:27:38 -0400 |
Just waiting for this money pit to hit my part of Oregon, money pit= smog issues. how i feel CA wants these off the road. the machines are lame! just my 2cents :) Joe -----Original Message----- >From: David Kao <dtkao0205@YAHOO.COM> >Sent: Jun 28, 2008 2:14 PM >To: vanagon@GERRY.VANAGON.COM >Subject: Re: CA Smog Failed - 1985 1.9L > >Without CAT CO will be alway above 0.2% or 2.0% something like that. >CAT is the device that reduces CO from there down to zero. That's what >CAT is supposed to do and nothing else. That is what my Smog test >operator said. If you have other problems it has nothing to do with >the CAT. > >David > > >--- "Jack R." <jack007@COMCAST.NET> wrote: > >> I failed these things over and over again with my 84 Westy 1.9l back when >> Michigan had these tests. I ended up adjusting the AFM to fix my issue, and >> get it to pass. Also, tried it on a very warm day, cold day etc. >> >> Good luck! >> >> Glad we don't have these tests in Michigan any longer! >> >> Jack R. >> >> -----Original Message----- >> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of >> Walter Houle >> Sent: Saturday, June 28, 2008 10:45 AM >> To: vanagon@GERRY.VANAGON.COM >> Subject: Re: CA Smog Failed - 1985 1.9L >> >> OK I failed test #3 with high NOx agai. We can rule out timing as the >> problem. I will now check the injectors, the O2 sensor, the fuel pump >> pressure, and the AFM per our friend Bentley. >> >> However, my mechanic swears that the problem is the catalytic converter. >> Since its brand new, I'm not sure I believe him. I got the same one I used >> 4 yers ago, and that got me thru 2 smog tests sucessfully. Are there >> better performing cats out there that will work on CA vanagons? Any >> suggestions? >> >> Thanks, >> Walter >> 85 Vanagon 1.9L >> >> >> >> >> On Thu, 26 Jun 2008 19:19:08 -0400, Walter Houle <whoule@ECSCONTROLS.COM> >> wrote: >> >> >My van failed the NO part of the CA Smog Test twice. >> >I had the van worked on in between so I'm wondering what is causing the >> >high NO. The 15 MPH 2200 RPM readings were as follows: >> > >> >Test 1: %CO2=14.5 %O2=0.6 HC PPM Max=131 Measured=131 CO% Max=0.87 >> >Measured = 0.37 NO PPM Max=1085 Measured = 1492 >> > >> >I installed a new O2 sensor and a new catalytic converter. Also, a good >> >local mechanic found that the vacuum retard port on the distributer had >> >been disconnected and that the timing was set at 19 degrees too far >> >advanced. They reconnected a vacuum hose to the retard side of the >> >distributer and set the timing back to spec. However, it failer NO again, >> >this time even worse. >> > >> >Test 2: %CO2=14.9 %O2=0.4 HC PPM Max=131 Measured=40 CO% Max=0.87 >> >Measured = 0.04 NO PPM Max=1085 Measured = 2131 >> > >> >The reduced HC & CO readings show me that the new cat and O2 sensor are >> >doing their jobs. >> > >> >What is causing the higher NO reading? Did retarding the timing make it >> >worse? Does anyone have any suggestions? >> > >> >Otherwise, my next move is to remove the vacuum retard hose again, advance >> >the timing 19 degrees, and return for Test #3. Since I now have made >> >the "Gross Polluter" class, my Max NO limit got bumped to 2050. >> > >> >Thanks, >> >Walter >> >1985 Vanagon 1.9 >> Have a nice Day :)
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