Actually the TPS cuts the O2 sensor out of the loop at idle and WOT. The dancing O2 sensor reading is what the sensor does on its own, it generates it's own electricity, like a thermocouple on a LP appliance. The O2 sensor generally won't stay hot enough at idle to give a good reading, so it isn't used, and at WOT the injectors just run a constant duty cycle. Gregory Smith Olympia,WA '84 Vanagon > No, the ECU does use the O2 sensor at idle. If you have one of > Ken Lewis's little gizmos, you'd know that it dances up and > down at idle--maybe slower than at high rpm, but still.... |
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Vanagon mail messages have been archived.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.