Mmmmkay.... I altered the CO screw setting in either direction. No valve action. Disconnecting the sensor would revert to default ratio. No valve action. shorting the WOT switch would revert to default ratio. No valve action. Just applied AA battery to sensor lead, no valve action. I already posted my "Holy Grail" schtick. Again, I'm back to a "missing ground". Missing because: 1) I have not yet found the proper ground wire for the valve and it's open somewhere. or 2) Because the module is faulty. --- In DMCForum@xxxxxxxxxxxxxxx, "Dave Stragand" <dave.stragand@xxxx> wrote: > Rich, > > Then you need to come up with tests to try out each hypothesis. Here's a > couple of things to try to test the first scenario: > > - Change the CO mixture and note the results. > - Try checking the function of the O2 sensor per the manual... open the > circuit, and do the test with the AA battery > - Reread the section of the tech manual and come up with your own questions. > > For the second scenario, I'd try: > > - Check all of the electrical connections and grounds. > - Run the tests per the manual on the frequency valve. > > > -Dave > > > [Non-text portions of this message have been removed] Yahoo! Groups Sponsor <http://rd.yahoo.com/SIG=12cscbq33/M=259395.3614674.4902533.1261774/D=egro upweb/S=1705126215:HM/EXP=1068670936/A=1524963/R=0/*http://hits.411web.com /cgi-bin/autoredir?camp=556&lineid=3614674?=egroupweb&pos=HM> <http://us.adserver.yahoo.com/l?M=259395.3614674.4902533.1261774/D=egroupm ail/S=:HM/A=1524963/rand=676016454> To unsubscribe from this group, send an email to: DMCForum-unsubscribe@xxxxxxxxxxxxxxx Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service <http://docs.yahoo.com/info/terms/> .
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