Mark McCulley wrote: > I've seen the topic of AFM spring adjustment discussed on this list for > years now and I still don't understand how spring tension can affect the > mixture in a closed-loop system. The O2 sensor (in conjunction with the ECU) > ultimately determines the mixture based on the amount of O2 in the exhaust, > right? So what does changing the AFM spring tension really do? > > Mark McCulley > Seattle WA I'm new to this topic, but it seems to me that the AFM tension needs to be "in the ballpark" to give the O2-ECM loop a chance to work correctly. If your mpg is respectable and you don't have relevant drivability problems, I wouldn't mess with it. "If it ain't broke, don't fix it." But then again, inquiring minds want to know... Larry A. |
Please note - During the past 17 years of operation, several gigabytes of
Vanagon mail messages have been archived. Searching the entire collection
will take up to five minutes to complete. Please be patient!
Return to the archives @ gerry.vanagon.com
The vanagon mailing list archives are copyright (c) 1994-2011, and may not be reproduced without the express written permission of the list administrators. Posting messages to this mailing list grants a license to the mailing list administrators to reproduce the message in a compilation, either printed or electronic. All compilations will be not-for-profit, with any excess proceeds going to the Vanagon mailing list.
Any profits from list compilations go exclusively towards the management and operation of the Vanagon mailing list and vanagon mailing list web site.